page_title: Penny (United States coin)
section_title: Reverse design
hierarchical_section_title: Penny (United States coin) / Lincoln cent / History / Reverse design
caption_attribution_description: English: The fourth of four designs for the reverse of the 2009 Lincoln cent in celebration of the bicentennial of Abraham Lincoln's birth
context_page_description: The United States one-cent coin, often called the penny, is a unit of currency equaling one one-hundredth of a United States dollar. It has been the lowest-value physical unit of U.S. currency since the abolition of the half-cent in 1857. The first U.S. cent was produced in 1787, and the cent has been issued primarily as a copper or copper-plated coin throughout its history. Its obverse has featured the profile of President Abraham Lincoln since 1909, the centennial of his birth. From 1959 to 2008, the reverse featured the Lincoln Memorial. Four different reverse designs in 2009 honored Lincoln's 200th birthday and a new, "permanent" reverse – the Union Shield – was introduced in 2010. The coin is 0.75 inches in diameter and 0.0598 inches in thickness. Its weight has varied, depending upon the composition of metals used in its production.
  The U.S. Mint's official name for the coin is "cent" and the U.S. Treasury's official name is "one cent piece". The colloquial term penny derives from the British coin of the same name, which occupies a similar place in the British system. Pennies is the plural form.
caption: Presidency in DC (Lincoln Bicentennial, 2009)
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