Kennedy half dollar - wikipedia Kennedy half dollar Kennedy half dollar United States Value 50 cents (. 50 US dollar ) Mass Copper - nickel clad : 11.34 g 40 % silver clad : 11.50 g 90 % silver : 12.50 g 2014 gold : 23.33 g Diameter 30.6 mm Thickness 2.15 mm Edge reeded Composition 1964, silver proofs 1992 -- present : 90 % silver, 10 % copper. 1965 -- 1970, some 1776 -- 1976 San Francisco - minted coins : outer layer of 80 % silver, 20 % copper surrounding core of 79 % copper, 21 % silver, totaling 60 % copper, 40 % silver. Circulation strikes, 1971 to present : outer layer of 75 % copper, 25 % nickel surrounding core of 100 % copper. 2014 gold issue 99.99 % gold. Gold ( 2014 commemorative ). 75 troy oz Silver Circulation strikes since 1971 contain no silver. For 90 % silver issues : 0.36169 troy ounces. For 40 % silver issues : 0.1479 troy oz Years of minting 1964 -- present Mint marks P, D, S, W. `` W '' mint mark only on 2014 commemorative issue. Mint mark located beneath where the eagle 's claws grasp the olive branch on reverse for 1964 coins and for 1964 - 2014 - W gold issue ; above the date on the obverse for all other issues. Mint mark omitted on all coins from 1965 to 1967 and on Philadelphia Mint issues before 1980. Obverse Design Left profile of John F. Kennedy Designer Gilroy Roberts Design date 1964 to present Reverse Design Modified presidential seal Designer Frank Gasparro Design date 1964 to present, excepting 1975 and 1976 Design Independence Hall Designer Seth G. Huntington Design date 1975 and 1976 ( dated 1776 -- 1976 ) The Kennedy half dollar, first minted in 1964, is a fifty - cent coin currently issued by the United States Mint. Intended as a memorial to the assassinated President John F. Kennedy, it was authorized by Congress just over a month after his death. Use of existing works by Mint sculptors Gilroy Roberts and Frank Gasparro allowed dies to be prepared quickly, and striking of the new coins began in January 1964. The silver coins were hoarded upon their release in March 1964 by collectors and those interested in a memento of the late president. Although the Mint greatly increased production, the denomination was seldom seen in circulation. Continued rises in the price of silver increased the hoarding -- many early Kennedy half dollars have been melted for their silver content. Starting with 1965 - dated pieces, the percentage of fine silver was reduced from 90 % to 40 % ( silver clad ), but even with this change the coin saw little circulation. In 1971, when silver was eliminated entirely from the coins and production increased, the series began to see improved, but still limited circulation. A special design for the reverse of the half dollar was issued for the United States Bicentennial and was struck in 1975 and 1976. In addition to business strikes, special collector coins were struck for the Bicentennial in silver clad ; silver proof sets in which the dime, quarter and half dollar were struck in 90 % silver were first minted in 1992. In 2014 a special edition of the Kennedy half dollar was also struck in 99.99 % gold. Even though ample supplies of circulating half dollars are readily available from most banks, their circulation is still limited. Since 2002, Kennedy half dollars have only been struck to satisfy the demand from collectors, and are available at a premium through the Mint. Contents 1 Inception 2 Release 2.1 Initial popularity 2.2 Switch to base metal 2.3 End of striking for circulation 3 Collecting 4 See also 5 References 6 Bibliography Inception Gilroy Roberts ' obverse ( top ) and Frank Gasparro 's reverse ( bottom ) of the John F. Kennedy Presidential series medal served as the basis for the designs of the Kennedy half dollar. Within hours of the assassination of John F. Kennedy on November 22, 1963, Mint Director Eva Adams called Chief Engraver Gilroy Roberts, informing him that serious consideration was already being given to depicting Kennedy on one of the larger silver coins : either the silver dollar, half dollar, or quarter dollar. Adams called Roberts again on November 27 and authorized the project, stating that the late president 's widow, Jacqueline Kennedy preferred that he be depicted on the half dollar, replacing the previous design of Benjamin Franklin. Mrs. Kennedy 's reasoning was that she did not want to replace George Washington on the quarter. In the interest of time ( the striking of the new coin was to begin in January 1964 ), Roberts modified the existing bust of Kennedy he had created for use on the Kennedy medal in the Mint 's Presidential series, while Frank Gasparro began modifications to the reverse he had created for the same medal. Both Roberts ' and Gasparro 's designs had been approved by Kennedy. Roberts had met with Kennedy in person to show him early models of the design ; although the President expressed no opinion regarding the depiction, Roberts decided to make some changes after meeting him. After the Mint produced trial strikes, Jacqueline and Robert Kennedy were invited to view them. Mrs. Kennedy viewed the designs favorably, but suggested that the hair be altered slightly. It was also suggested that a full or half figure of the president be used instead of the profile, but Roberts noted that there was not enough time to produce an entirely new design because of the project 's time constraints, and also that he believed the left profile would give a more attractive appearance. Frank Gasparro 's obverse ( top ) and reverse ( bottom ) of the 1962 President John F. Kennedy appreciation medal Frank Gasparro 's reverse design of the Kennedy half dollar was also influenced by the experience he gained from designing the President John. F. Kennedy appreciation medal. In 1962, President Kennedy had three hundred appreciation medals struck by the United States Mint in Philadelphia that were later presented during his June 23, 1963 through July 2, 1963 trip to the nations of Federal Republic of Germany, Germany ( West Berlin ), Ireland, United Kingdom, Italy, and the Vatican City State. The reverse design of the Kennedy appreciation medal depicts a larger and more detailed Presidential Seal than the one he designed on the Mint 's Presidential series ( Bureau of the Mint Presidential series stock medal # 135 known as the John F. Kennedy Presidential inauguration medal ). Gasparro 's placement of his initials FG is also similarly located ( under the right leg of the eagle ) on both the Kennedy appreciation medal and Kennedy half dollar. Congressional approval was required for any design change within 25 years of the last. In early December, Representative Henry Gonzalez ( Democrat - Texas ) introduced a bill for Kennedy to appear on the half dollar. On December 10, the new President, Lyndon Johnson, endorsed the call for a Kennedy half dollar, asking Congress to pass the legislation promptly to allow striking of the new piece to begin early in 1964. President Johnson stated that he had been moved by letters from many members of the public to agree with the plan. The bill to authorize the Kennedy half dollar passed on December 30, 1963. Work was already underway on coinage dies ; the use of the already - available designs allowed for the completion of the first dies on January 2, 1964. Only proof coins were initially struck. The first Kennedy half dollars intended for circulation were struck at the Denver Mint on January 30, 1964, followed by the Philadelphia Mint the next week. A ceremonial first strike was held at both Philadelphia and Denver on February 11, 1964. Release Mint Director Eva Adams, seen here on her medal ( designed by Gasparro ) was instrumental in the issuance of the Kennedy half dollar. For further information on the coin shortages of the 1960s, see Coinage Act of 1965 § Coin shortage. Initial popularity The Treasury Department made the coins available to the public beginning on March 24, 1964. A line a block long formed at the department 's windows in Washington to purchase the 70,000 coins initially allocated for public sale. Although the department limited sales to 40 per customer, by the end of the day, the coins were gone, but the line had not shortened. Banks in Boston and Philadelphia quickly rationed supplies, but still sold out by noon. Sales in New York did not begin until the following day, and rationing was imposed there as well, to the disgruntlement of the head of the coin department at Gimbels, the largest dealer in the city, which had hoped to sell the coins at a premium. The coins were popular overseas as well. U.S. Assistant Secretary of State for African Affairs G. Mennen Williams distributed plastic - encased specimens to presidents and foreign ministers of African nations and to the U.S. ambassadors serving there `` to win friends for the United States in Africa ''. Shortly after the coin 's release, the Denver Mint began receiving complaints that the new coin depicted a hammer and sickle on the bottom of Kennedy 's truncated bust. In response, Roberts stated that the portion of the design in question was actually his monogram, a stylized `` GR ''. The Mint struck Kennedy half dollars in large numbers in an attempt to meet the overwhelming demand. The Treasury had initially planned to issue 91 million half dollars for 1964, but raised the number to 141 million. However, a public announcement of the increase failed to cause more coins to actually circulate or to decrease the prices on the secondary market. By late November, the Mint had struck approximately 160 million pieces, yet the coin was almost never seen in circulation. Silver prices were rising, and the majority of the coins were being hoarded. Hopeful that issuing more 1964 - dated coins would counter the speculation in them, the Treasury requested and received Congressional authorization to continue striking 1964 - dated coins into 1965. Eventually, almost 430 million half dollars dated 1964 were struck, a sum greater than the total struck for circulation in the sixteen years of the Franklin half dollar series. These minting operations were rapidly depleting the Treasury 's stock of silver. Prices for the metal were rising to such an extent that, by early June, a dime contained 9.33 cents ' worth of silver at market prices. On June 3, 1965, President Johnson announced plans to eliminate silver from the dime and quarter in favor of a clad sandwich with layers of copper - nickel on each side of a layer of pure copper. The half dollar was changed from 90 % silver to 40 %. Congress passed the Coinage Act of 1965 in July. The new half dollars retained their silvery appearance, due to the outer layer being 80 % silver and 20 % copper. The coin was also minted with an inner layer of 21 % silver and 79 % copper. The first clad half dollars were struck at the Denver Mint on December 30, 1965. They bore the date 1965 ; the date would not be changed for US coins until the coin shortage was eased. Beginning on August 1, 1966, the Mint began to strike 1966 - dated pieces, and thereafter it resumed the normal practice of striking the current year 's date on each piece. Despite the proclaimed end to the coin shortage, Kennedy half dollars circulated little, a scarcity caused by continued hoarding and a dip in production, with the Treasury reluctant to expend more of the nation 's silver holdings on a coin which did not circulate. According to coin dealer and numismatic author Q. David Bowers, `` Where the hundreds of millions of them went remains somewhat of a mystery today. In the meantime, Washington quarters, the same design used since 1932, became the highest value coin of the realm, in terms of circulation use. These were particularly popular for vending machines, arcade games, and the like. Today, this continues to be the case, and Kennedy half dollars as well as the later mini-dollar coins, are almost never encountered. '' Switch to base metal For further information on the circulating commemorative quarters, half dollars and dollars struck in 1975 -- 1976, see United States Bicentennial coinage. In May 1969, the Treasury sought authorization to eliminate the half dollar 's silver content, changing it to the same copper - nickel clad composition as the dime and quarter. The Treasury also sought approval to strike base - metal dollar coins, which would fill a need for gaming tokens in Western casinos. Former president Dwight D. Eisenhower had died recently, and there was discussion of placing Eisenhower 's likeness on the dollar. The Treasury hoped that with the removal of the silver content, the coin would cease to be hoarded and again circulate. Despite the support of President Richard Nixon, some Republicans in the House of Representatives initially scuttled the legislation, disliking the idea of depicting Eisenhower on a base metal coin. The dispute dragged on for over a year before President Nixon signed a bill on December 31, 1970 which authorized production of the Eisenhower dollar and eliminated the remaining 40 % silver from the half dollar. As a result of the delay, in 1970 non-proof half dollars were only minted in Denver and were available solely in mint sets. With a mintage of 2.1 million, the 1970 - D Kennedy half is considered the `` key '' coin in the series, although enough were produced to keep prices modest. The Mint did not announce that 1970 half dollars would not be struck for circulation until after mint set ordering had closed. By the time silver was eliminated from the half dollar, it had been out of circulation for so long that some banks had eliminated the slot for the denomination from machines. The Mint anticipated a significant comeback for the denomination, but in July 1971, Mint Director Mary Brooks disclosed that the Treasury was holding 200 million of the new base metal half dollars, as commercial banks expressed little interest in ordering them. `` I ca n't understand the population. They 're not using them. '' According to Brooks, most of the over one billion Kennedy half dollars containing silver had been hoarded by the public. Brooks theorized that because the silver Kennedy half dollar never circulated much and few half dollars were struck in 1970 in anticipation of the authorization to eliminate silver, the public had become accustomed to not seeing the half dollar in trade. Brooks suggested, `` If the country knew there were plenty of them around, they 'd probably start hoarding them, too. '' By the mid 1970s, usage of the half dollar did increase, but the major comeback projected by the mint, never really materialized. On March 5, 1973, Brooks announced that the Mint would be soliciting new reverse designs for the half dollar and dollar to commemorate the 1976 United States Bicentennial. On October 18, President Nixon signed Public Law 93 - 127, which provided for new reverse designs for the quarter, half dollar, and dollar. The designs were to be emblematic of the Bicentennial era. The Mint announced a competition open to all American sculptors. Seth G. Huntington 's design depicting Independence Hall was selected for the half dollar. All half dollars struck in 1975 and 1976 bore the double date 1776 -- 1976 on the obverse and Huntington 's design on the reverse. Over 521 million Bicentennial half dollars were struck for circulation. Following the high mintage of the Bicentennial piece, the number of pieces struck per year declined. However, in 1979, Mint Director Stella B. Hackel indicated that the Mint would continue to strike them. `` We really do n't think many half dollars are being used in commerce. They do go somewhere, though, so someone must want them. '' By then, more than 2.5 billion Kennedy half dollars had been struck, more than all previously struck half dollars combined. The New York Times numismatic columnist Ed Reiter suggested that hoarding had continued even into the base - metal era, accounting for the shortage of pieces in commerce. 1979 - 80 saw the destruction of many 1964 - 69 silver Kennedy half dollars, as record high silver prices caused extensive melting of silver coins for their metal content. End of striking for circulation The coin continued to be struck through the remainder of the twentieth century, and mintage numbers remained relatively steady in both the Philadelphia and Denver mints until 1987, a year in which no half dollars were struck for circulation ; the Treasury had accumulated a two - year supply of the pieces, making further production unnecessary. Demand for half dollars dropped, and casinos ( where they were commonly used ) increasingly began producing fifty cent chips to use in place of the coins. With mintage numbers remaining low, beginning in 2002, the Kennedy half dollar ceased to be struck for general circulation. Rolls and bags of the current year 's pieces may be purchased from the Mint, at a premium above face value. People line up to buy the new gold Kennedy half dollar, August 2014 In January 2014, a private firm, on behalf of the Mint, began surveying customers on possible options for a special issue of the half dollar in commemoration of its 50th anniversary. In June, the Mint announced plans to issue seven special 2014 Kennedy half dollars in commemoration of the series ' fiftieth anniversary : two in clad, from Philadelphia and Denver, four in silver from Philadelphia, Denver, San Francisco, and the West Point Mint, and one in. 9999 gold, from West Point. The clad and silver versions bear the normal date ; the gold coin has the double date 1964 -- 2014. All have higher relief than the usual issues. The gold coins were released in conjunction with the American Numismatic Association convention in Rosemont, Illinois on August 5, 2014. Collecting A close - up image detailing the heavily accented hairlines present on early Kennedy half dollar proof issues With the exception of 1965 through 1967, proofs have been struck each year in the same metallic composition as regular issue pieces. The first Kennedy half dollar proofs were struck in early January 1964. Early strikes depicted Kennedy with heavily accented hair ; an estimated 100,000 coins were struck with this feature. This was altered for the remainder of the mintage of nearly four million proof coins. Due to the coin shortage, the Treasury Department announced that no proof sets would be struck in 1965. Instead, Special Mint Sets would be struck to satisfy collector demand. Coins for these sets, minted at the San Francisco Assay Office, were struck with no mint marks early in 1966 with heavily polished dies dated 1965. Similar sets bearing the dates 1966 and 1967 were also struck. A few of the 1966 halves from the Special Mint Sets are known with Gasparro 's initials `` FG '' missing from the reverse, apparently because of an overpolished die. The first year 's production was sold in soft plastic packaging ; the 1966 and 1967 issues were sonically sealed in hard plastic cases. In 1968, regular proof coinage was resumed, although production of proof coins was shifted to San Francisco, the `` S '' mintmark added and sets were encapsulated in hard plastic. In 1973, Congress authorized silver - clad collector versions of the Bicentennial coins ; in April 1975, the Mint began to strike them. The coins were issued in both proof and uncirculated quality. Copper - nickel clad Bicentennial coins were placed in both the 1975 and 1976 proof sets, while their silver clad counterparts were sold in three coin sets. Since 1992, the Mint has struck Kennedy half dollars in 90 % silver for inclusion in special silver proof sets. 1964 proofs were struck in Philadelphia, and since 1968, proof coins have been struck in San Francisco only. In 1998, some silver proof pieces were struck to a matte finish for inclusion in a set along with a Robert Kennedy commemorative silver dollar. From 2005 -- 2010, uncirculated pieces included in mint sets received a matte finish, which differentiates them from the pieces sold in bags and rolls. See also Numismatics portal Coins of the United States dollar Cultural depictions of John F. Kennedy Kennedy half dollar mintage figures References ^ Jump up to : `` Reminiscences on the Creation of the Kennedy Half Dollar '' ( PDF ). United States Department of the Treasury. Archived from the original ( PDF ) on July 21, 2011. Retrieved February 24, 2011. ^ Jump up to : Bardes, Herbert C. ( December 15, 1963 ). `` Kennedy solution : The regular half - dollar early production ''. The New York Times. p. 144, Arts & Leisure. Retrieved February 24, 2011. ( subscription required ) ^ Jump up to : Tomaska 2011, p. 138. Jump up ^ Tebben, Gerald ( July 18, 2014 ). `` 50 years later : John F. Kennedy half dollar a coin born from tragedy ''. Coin World. Archived from the original on July 25, 2014. Retrieved July 23, 2014. Jump up ^ Gomez, p. 75. Jump up ^ Bardes, Herbert C. ( December 8, 1963 ). `` Kennedy issues sought ''. The New York Times. p. 203, Arts & Leisure. Retrieved February 24, 2011. ( subscription required ) Jump up ^ Hunter, Marjorie ( December 11, 1963 ). `` Coin up to Congress ''. The New York Times. p. 1. Retrieved February 24, 2011. ( subscription required ) Jump up ^ Taxay 1983, p. 380. ^ Jump up to : Raspus, Ginger ( February 17, 2010 ). `` Special Mint Set Product of 1960s ''. NumisMaster. Numismatic News. Archived from the original on February 25, 2010. Retrieved February 28, 2010. Jump up ^ Bardes, Herbert C. ( February 16, 1964 ). `` ' Last word ' is issued on Kennedy halves ''. The New York Times. p. X21. Retrieved February 28, 2011. ( subscription required ) Jump up ^ Raymont ( March 25, 1964 ). `` City banks ration Kennedy 50c coin ''. The New York Times. p. 38. Retrieved February 24, 2011. ( subscription required ) Jump up ^ `` Kennedy coins for Africans ''. The New York Times. April 8, 1964. Retrieved July 11, 2012. ( subscription required ) ^ Jump up to : `` People : Apr. 17, 1964 ''. Time. April 17, 1964. Retrieved March 3, 2008. ^ Jump up to : Bardes, Herbert C. ( July 19, 1964 ). `` Uncertainties follow Treasury proposals ''. The New York Times. p. X17. Retrieved February 25, 2011. ( subscription required ) Jump up ^ Bardes, Herbert C. ( November 22, 1964 ). `` Turmoil in the Capital ''. The New York Times. p. X26. Retrieved February 25, 2011. ( subscription required ) Jump up ^ Bardes, Herbert C. ( September 13, 1964 ). `` Treasury to go ahead on ' 64 date freeze ''. The New York Times. p. X32. Retrieved February 25, 2011. ( subscription required ) Jump up ^ Dale, Edwin L. Jr. ( June 4, 1965 ). `` President asks quarters and dimes without silver ''. The New York Times. p. 1. Retrieved February 26, 2011. ( subscription required ) Jump up ^ `` Coin bill approved by Senate and sent to the White House ''. The New York Times. AP. July 15, 1965. p. 1. Retrieved February 26, 2011. ( subscription required ) Jump up ^ `` Minting of New Half Dollar To Begin Today in Denver - Article - NYTimes.com '' ( PDF ). The New York Times. December 30, 1965. Retrieved February 26, 2011. ( subscription required ) Jump up ^ Bardes, Herbert C. ( July 17, 1966 ). `` 1966 date begins Aug. 1 '' ( PDF ). The New York Times. p. 96. Retrieved February 26, 2011. ( subscription required ) Jump up ^ `` The half - dollar growing scarcer ''. The New York Times. February 9, 1969. p. 92. Retrieved February 26, 2011. ( subscription required ) Jump up ^ Tomaska 2011, p. vi. Jump up ^ `` End of silver use in U.S. coins urged ''. The Press -- Courier. Oxnard, California. United Press International. May 13, 1969. p. 6. Retrieved February 25, 2011. Jump up ^ Hunt, Robert A. ( October 7, 1969 ). `` Ike Dollar Plan Halted ''. Waycross Journal - Herald. Waycross, Georgia. Associated Press. p. 1. Retrieved February 25, 2011. Jump up ^ Haney, Thomas V. ( January 24, 1971 ). `` Ike dollar to be last silver coin ''. The New York Times. p. D29. Retrieved February 25, 2011. ( subscription required ) Jump up ^ Green, Paul M. ( October 4, 2010 ). `` 1970 - D Kennedy remains volatile ''. Numismatic News. Retrieved September 18, 2011. Jump up ^ `` New silverless dollar ; half dollar to return ''. The Free Lance -- Star. Fredericksburg, Virginia. December 15, 1971. p. 4. Retrieved February 25, 2011. ^ Jump up to : Neikirk, Bill ( July 28, 1971 ). `` Half dollars gathering dust ''. Kentucky New Era. Hopkinsville, Kentucky. Associated Press. p. 13. Retrieved February 25, 2011. Jump up ^ `` Coins to get new look for 1976 celebration ''. The New York Times. March 5, 1973. Retrieved February 26, 2011. ( subscription required ) Jump up ^ `` Timeline of the United States Mint ''. United States Mint. Archived from the original on December 1, 2010. Retrieved February 26, 2011. Jump up ^ Bardes, Herbert C. ( August 25, 1974 ). `` Bicentennial coins make debut ''. The New York Times. p. 26, Arts & Leisure. Retrieved February 26, 2011. ( subscription required ) Jump up ^ Tomaska 2011, pp. 155 -- 156. Jump up ^ Tomaska 2011, p. 270. ^ Jump up to : Reiter, Ed ( August 19, 1979 ). `` Kennedy half dollars are still in demand ''. The New York Times. p. D35, Arts & Leisure. Retrieved February 26, 2011. ( subscription required ) ^ Jump up to : `` Kennedy half dollar instantly popular with collectors ''. Coin World. Archived from the original on December 15, 2010. Retrieved February 26, 2011. ^ Jump up to : Tomaska 2011, pp. 270 -- 271. Jump up ^ Richterman, Anita ( June 23, 1987 ). `` Problem line ''. Newsday. p. 21. Retrieved February 27, 2011. ( subscription required ) Jump up ^ Lange 2006, p. 174. Jump up ^ Gilkes, Paul ( February 24, 2014 ). `` Gold Kennedy half dollar in collectors ' future ? ''. Coin World. Retrieved February 9, 2014. Jump up ^ Gilkes, Paul ( June 11, 2014 ). `` United States Mint planning to release seven 50th anniversary Kennedy half dollars in 2014 ''. Coin World. Archived from the original on June 16, 2014. Retrieved June 15, 2014. Jump up ^ Roach, Steve ( August 5, 2014 ). `` Lots of winners for new 1964 -- 2014 gold Kennedy half dollar ''. Coin World. Retrieved August 5, 2014. ^ Jump up to : `` First Strikes Celebrate the Bicentennial press release '' ( PDF ). United States Mint. Archived from the original ( PDF ) on July 21, 2011. Retrieved February 27, 2011. ^ Jump up to : Tomaska 2011, p. 248. ^ Jump up to : Yeoman 2014, pp. 353 -- 354. Jump up ^ Tomaska 2011, p. 244. Jump up ^ Yeoman 2014, pp. 348 -- 351. Jump up ^ Yeoman 2014, pp. 212 -- 213. Jump up ^ Yeoman 2014, pp. 212 -- 214. Jump up ^ Sanders, Mitch ( September 2007 ). `` Collecting Kennedy Halves '' ( PDF ). The Numismatist : 114. Archived from the original ( PDF ) on March 23, 2014. Retrieved February 28, 2010. Bibliography Lange, David W. ( 2006 ). History of the United States Mint and its Coinage. Atlanta : Whitman Publishing. ISBN 978 - 0 - 7948 - 1972 - 9. Gomez, Darryl A. ( 2015 ). Authoritative Numismatist Reference : Presidential Medal of Appreciation Award Medals 1958 - 1963. Charleston, SC : CreateSpace. ISBN 978 - 1511786744. Taxay, Don ( 1983 ) ( 1966 ). The U.S. Mint and Coinage ( reprint ed. ). New York : Sanford J. Durst Numismatic Publications. ISBN 978 - 0 - 915262 - 68 - 7. Tomaska, Rick ( 2011 ). A Guide Book of Franklin & Kennedy Half Dollars. Atlanta : Whitman Publishing. ISBN 978 - 0 - 7948 - 3243 - 8. Yeoman, R.S. ( 2014 ). A Guide Book of United States Coins ( 68th ed. ). Atlanta : Whitman Publishing. ISBN 978 - 0 - 7948 - 4215 - 4. 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Kennedy 35th President of the United States ( 1961 -- 1963 ) U.S. Senator from Massachusetts ( 1953 -- 1960 ) U.S. Representative for MA - 11 ( 1947 -- 1953 ) Presidency ( timeline ) Presidential Office : Inauguration Cabinet Judicial appointments Supreme Court Presidential pardons Domestic policy : Clean Air Act Communications Satellite Act Community Mental Health Act Equal Pay Act Federal affirmative action Federal housing segregation ban Fifty - mile hikes Food for Peace New Frontier Pilot Food Stamp Program Space policy Status of Women ( Presidential Commission ) University of Alabama integration Voter Education Project Foreign policy : Alliance for Progress Arms Control and Disarmament Agency Partial Nuclear Test Ban Treaty Flexible response Kennedy Doctrine Peace Corps Trade Expansion Act USAID Vietnam War Cuba : Bay of Pigs Invasion Cuban Project Cuban Missile Crisis ExComm Soviet Union : Berlin Crisis Moscow -- Washington hotline Vienna summit White House : Presidential limousine Presidential yacht Resolute desk Situation Room Presidential speeches Inaugural address American University speech `` We choose to go to the Moon '' Report to the American People on Civil Rights `` Ich bin ein Berliner '' `` A rising tide lifts all boats '' Elections U.S. States House of Representatives elections, 1946 1948 1950 U.S. Senate election in Massachusetts, 1952 1958 1960 Presidential primaries 1960 Presidential campaign Democratic National Convention 1956 1960 U.S. presidential election, 1960 debates Personal life Birthplace and childhood home Kennedy Compound US Navy service PT - 109 Biuku Gasa and Eroni Kumana Arthur Evans PT - 59 Castle Hot Springs Hammersmith Farm Coretta Scott King phone call Rocking chair `` Happy Birthday, Mr. President '' Books Why England Slept ( 1940 ) Profiles in Courage ( 1956 ) A Nation of Immigrants ( 1958 ) Death Assassination timeline reactions in popular culture State funeral Riderless horse attending dignitaries Gravesite and Eternal Flame Legacy John F. Kennedy Presidential Library and Museum ( Boston ) 1964 Civil Rights Act Apollo 11 Moon landing Equal Employment Opportunity Commission Kennedy Space Center ( Florida ) Kennedy Round U.S. Department of Housing and Urban Development VISTA Cultural depictions films Kennedy half dollar U.S. postage stamps U.S. five cent stamp Lincoln -- Kennedy coincidences Operation Sail Memorials, namesakes Kennedy Center for the Performing Arts ( Washington, D.C. ) John F. Kennedy International Airport ( New York ) John F. Kennedy Memorial ( London ) John Fitzgerald Kennedy Memorial ( Dallas ) John Fitzgerald Kennedy Memorial ( Portland, Oregon ) John F. Kennedy Memorial ( Runnymede, Britain ) John F. Kennedy Memorial Bridge ( Kentucky -- Indiana ) John F. Kennedy School of Government ( Harvard Univ. ) John F. Kennedy Special Warfare Center and School ( Fort Bragg, North Carolina ) John F. Kennedy University ( California ) John Kennedy College ( Mauritius ) Kennedy Expressway ( Chicago ) MV John F. Kennedy USS John F. Kennedy ( CV - 67 ) USS John F. Kennedy ( CVN - 79 ) Yad Kennedy ( Jerusalem ) Family Jacqueline Bouvier ( wife ) Caroline Kennedy ( daughter ) John F. Kennedy Jr. ( son ) Patrick Bouvier Kennedy ( son ) Jack Schlossberg ( grandson ) Rose Schlossberg ( granddaughter ) Joseph P. Kennedy Sr. ( father ) Rose Fitzgerald ( mother ) Joseph P. Kennedy Jr. ( brother ) Rosemary Kennedy ( sister ) Kathleen Cavendish, Marchioness of Hartington ( sister ) Eunice Kennedy Shriver ( sister ) Patricia Kennedy Lawford ( sister ) Robert F. Kennedy ( brother ) Jean Kennedy Smith ( sister ) Ted Kennedy ( brother ) P.J. Kennedy ( grandfather ) John F. Fitzgerald ( grandfather ) ← Dwight D. Eisenhower Lyndon B. Johnson → United States currency and coinage Topics Federal Reserve System Federal Reserve Note U.S. dollar U.S. Mint Philadelphia San Francisco Denver West Point Bureau of Engraving and Printing Mutilated currency Current coinage Penny ( 1 ¢ ) Nickel ( 5 ¢ ) Dime ( 10 ¢ ) Quarter ( 25 ¢ ) Half dollar ( 50 ¢ ) Dollar ( $1 ) Bullion coinage America the Beautiful Silver Bullion Coins American Buffalo American Gold Eagle American Platinum Eagle American Silver Eagle American Palladium Eagle Current paper money $1 $2 $5 $10 $20 $50 $100 See also Bicentennial coinage Commemoratives Early Commemoratives Modern Commemoratives Confederate dollar Large denominations Obsolete denominations Promotional fake denominations Counterfeit United States currency Mill Coin production In God We Trust E pluribus unum Annuit cœptis Nicknames Replacement banknote Sales tax token Retrieved from `` https://en.wikipedia.org/w/index.php?title=Kennedy_half_dollar&oldid=854308196 '' Categories : Coins of the United States Cultural depictions of John F. Kennedy Currency introduced in 1964 1964 in the United States Fifty - cent coins John F. Kennedy memorials Sculptures of Presidents of the United States Birds on coins Hidden categories : Pages containing links to subscription - only content Featured articles Talk Contents About Wikipedia Français Magyar Русский Svenska Українська 中文 Edit links This page was last edited on 10 August 2018, at 11 : 24 ( UTC ). Text is available under the Creative Commons Attribution - ShareAlike License ; additional terms may apply. By using this site, you agree to the Terms of Use and Privacy Policy. Wikipedia ® is a registered trademark of the Wikimedia Foundation, Inc., a non-profit organization. About Wikipedia

Question: when did they stop using silver in half dollars
Answer: 1971