2023-S Morgan Silver Dollar – PROOF Finish. Official United States Mint Issue. San Francisco Mint (S). Comes complete with original U. Mint presentation box and Certificate of Authenticity (COA). 99.9% Fine Silver. 0.859 troy oz. Struck at the San Francisco Mint (S Mint Mark). Stunning mirror-like proof finish. Includes box & COA – exactly as issued by the U. Perfect for collectors of classic Morgan Silver Dollars and modern commemorative issues.