All coins are 1 ounce and. The item “Roll of 20 1 oz. Silver Bullion Coins (. 999 fine) Must Sell. Buy Now and Save” is in sale since Friday, January 15, 2021. This item is in the category “Coins & Paper Money\Bullion\Silver\Coins”. The seller is “dapu_7179″ and is located in Dudley, Massachusetts. This item can be shipped to United States.