This is a 1992-1998 complete U.S. Mint Premier Proof sets, including a box and certificate of authenticity (COA). The set contains silver coins with a fineness of 0.9, all of which are in uncirculated condition. The coins were minted in San Francisco and are ungraded. Certification was done by the U.S. Mint. This set is perfect for collectors of coins and paper money, as well as those interested in United States history. The set falls under the categories of Coins & Paper Money and Coins: US.