Sealed 1951 US Mint Silver Proof Set in Original Unopened Box (1 Set). The item “Sealed 1951 US Mint Silver Proof Set in Original Unopened Box (1 Set)” is in sale since Monday, August 5, 2019. This item is in the category “Coins & Paper Money\Coins\ US\Proof Sets”. The seller is “1364bobm” and is located […]