The 2023-S US Mint Silver Proof Set includes 10 uncirculated coins made of .999 fine silver. This set features coins with a denomination of 25 cents, struck in proof finish at the United States Mint in San Francisco. Each coin comes with a certificate of authenticity from the U.S. Mint and is housed in its original government packing and shipping box. This set is a valuable addition to any coin collection for those who appreciate the quality and craftsmanship of American coins.