2019 S American Eagle One Ounce Silver Enhanced Reverse Proof Coin Sealed Box. The item "2019 S American Eagle One Ounce Silver Enhanced Reverse Proof Coin Sealed Box" is in sale since Saturday, December 28, 2019. This item is in the category "Coins & Paper Money\Bullion\Silver\Coins". The seller is "robco3" and is located in Ocean City, Maryland. This item can be shipped to United States.