1957 United States Mint 5 Coin Proof Set In OGP 90% SILVER SEALED TIME CAPSULE! DO NOT MISS THIS DEAL!! LISTED IN US MINT CONDITION! ALL ITEMS LISTED TO THE BEST OF OUR KNOWLEDGE. (1) 1957 United States Mint 5 Coin Proof Set In OGP 90% SILVER SEALED TIME CAPSULE! (Camera props not included).