Mint World Cup Soccer Gold & Silver 3 Coin Proof Set Box/COA. 24 troy ounce and the silver dollar is 90% silver. The 50 cent piece is copper /nickel clad. Mint World Cup Soccer Gold & Silver 3 Coin Proof Set Box/COA" is in sale since Tuesday, October 9, 2018. This item is in the category "Coins & Paper Money\Coins\ US\Commemorative\Modern Gold (1984-Now)".The seller is "chinto" and is located in Broadview Heights, Ohio. This item can be shipped to United States.