Precious Metal Content per Unit. The item “2008 Roll of 20 1 Troy oz. 999 Fine Silver American Eagle $1 Dollar BU Coins” is in sale since Sunday, April 19, 2020. This item is in the category “Coins & Paper Money\Bullion\Silver\Coins”. The seller is “maltosgold” and is located in Parkersburg, West Virginia. This item can be shipped to United States.