The 2022-S US Mint Silver Proof Set includes 10 coins of various denominations, including pennies, nickels, dimes, half dollars, dollars, and quarters. Each coin is made of. 999 fine silver and has been struck in proof quality at the San Francisco Mint. This set comes with a Certificate of Authenticity and is housed in a protective box, making it a desirable addition to any coin collection. The set is guaranteed by the U. Mint and features coins that are in uncirculated condition.