1993-S U.S. Mint Silver Proof Set San Francisco S Mint with COA

The 1993-S U.S. Mint Silver Proof Set from San Francisco includes coins with a denomination of 50 cents and a composition of silver with a fineness of 0.9. The set includes a variety of coins with different KM numbers, such as KM#255, KM#254, KM#257, KM#256, and KM#258. Each coin is struck in a proof finish, making them highly collectible for coin enthusiasts and collectors alike. The set also comes with a Certificate of Authenticity (COA) from the U.S. Mint, adding to its value and verification of its authenticity.