Lot of 10 1964 U. S Mint Proof Sets. Comes In Original SEALED Treasury Mailing Carton! The item “10 1964 Proof Sets in Original UNOPENED Mailing Box Quite Rare 90% Silver” is in sale since Tuesday, July 9, 2019. This item is in the category “Coins & Paper Money\Coins\ US\Proof Sets”. The seller is “thesilveraces” […]