This 1988S Olympic Proof Set contains 6 coins that are in pristine condition. Each coin is made of silver with a fineness of 0.9 and was minted in San Francisco. The set includes coins of various denominations and features different designs related to the Olympic Games. The set comes with certification from the U.S. Mint but is ungraded. This is a must-have for any coin collector, especially those interested in Olympic memorabilia.