The 1987 U.S. Constitution Coins Silver Dollar & Gold Five Dollar Proof Set with COA is a commemorative coin set issued by the U.S. Mint. The set includes an uncirculated silver dollar and gold five dollar coin, both with a proof strike type and minted in Philadelphia and West Point. The coins feature the U.S. Constitution and have a fineness of 0.9. The set comes with a Certificate of Authenticity and was not modified.