IT COMES WITH A CERTIFICATE OF AUTHENTICITY. The item "SEOUL 1988 OLYMPIC GOLD AND SILVER PROOF COIN SET 7 COINS 1.5 OZ GOLD + SILVER" is in sale since Saturday, February 13, 2021. This item is in the category "Coins & Paper Money\Publications & Supplies\Holders". The seller is "buyandconsign15" and is located in Waltham, Massachusetts. This item can be shipped worldwide.