This 1987 US Mint Constitution Proof Silver Dollar Commemorative $1 Coin is a must-have for collectors. The coin comes in a box with a Certificate of Authenticity (COA) and is in pristine condition. This coin was minted in Philadelphia and has a fineness of 0.9. It is ungraded and has not been circulated. The coin features the Congress variety and is a commemorative coin. The denomination is $1 and the composition is modern silver/clad. This is a great addition to any collection and is certified by the U.S. Mint.