The SILVER U.S. Proof Set 2023 issued by the US Mint includes a variety of coins with a 50 cent denomination, all made of silver with a fineness of 0.9. These coins are in uncirculated condition and have been struck in proof condition at the San Francisco Mint. Each set comes with a Certificate of Authenticity from the U.S. Mint, ensuring the quality and authenticity of the coins. Perfect for collectors or those interested in acquiring valuable US coins with a high level of craftsmanship and purity.