Silver dollar is S mintmark 5 dollar gold is w mint mark. The item "1988 US Mint $1 Silver $5 Gold Olympic Proof 2 Coin Commemorative Set with Box" is in sale since Monday, December 13, 2021. This item is in the category "Coins & Paper Money\Coins\ US\Commemorative\Modern Gold (1984-Now)". The seller is "pmbauctions" and is located in Manlius, New York. This item can be shipped to United States.