1987 Commemorative Constitiution Dollar OGP US Mint We are offering this 1987 Constitution 90%25 Silver Proof Dollar Coin with original Box and COA. This coin commemorates the Bicentennial of the US Constitution. - A quill pen and We the People on the obverse and - Cross section of Americans from various periods of history are on the reverse. Comes in original clear acrylic protective holder, US Mint hinged velveteen presentation case, box and certificate of authenticity. The coin has the San Francisco mint mark "S". 1987-S Proof Constitut We package our items with quality packaging materials and ship within 1 business day when possible.