American Eagle 2019 One Ounce Silver Enhanced Reverse Proof Coin CONFIRMED 19XE. The item "2019-S American Eagle One Ounce Silver Enhanced Reverse Proof Coin Unopened" is in sale since Wednesday, November 20, 2019. This item is in the category "Coins & Paper Money\Bullion\Silver\Coins". The seller is "vegbaby16" and is located in Waltham, Massachusetts. This item can be shipped to United States.