The 2023 S Reverse Proof $1 Morgan and Peace Silver Dollar 2pc Set features modern silver/clad coins with a fineness of 0.999. These uncirculated coins are struck in proof quality at the San Francisco Mint. The set includes commemorative coins marking a historical moment in United States coinage. The set comes with a Certificate of Authenticity from the Official Government Publisher (OGP) with serial number 23XS, making it a valuable addition to any coin collection.