2018 S US Mint Silver Reverse Proof Set in Original Mint Packaging 18 November 2023November 18, 2023adminmintmint, original, packaging, proof, reverse, silver 2018 Reverse Proof Silver Set gives collectors the opportunity to appreciate the designs of the coins that were issued for circulation in 2018 in a new way. All of the coins bear an “S” mint mark, which represents the San Francisco Mint.
