This listing offers a set of United States Mint Prestige Sets from the years 1988, 1990, 1993, and 1994. All coins included in the sets are in uncirculated condition. The sets contain silver coins with a fineness of 0.9 and were struck as proof coins. The coins are ungraded and come with certification from the U.S. Mint. The sets are categorized under Coins & Paper Money and Coins: US in the Proof Sets section.