Mint American Eagle 2021 One Ounce Silver Reverse Proof Two-Coin Set - De.. If you have any questions. And l'll get back to you ASAP. Mint American Eagle 2021 One Ounce Silver Reverse Proof Two-Coin Set De" is in sale since Saturday, November 20, 2021. This item is in the category "Coins & Paper Money\Bullion\Silver\Coins".The seller is "armyguy91" and is located in Houston, Texas. This item can be shipped to United States, all countries in Europe, all countries in continental Asia, Canada, Australia, Bahamas, New Zealand, Jamaica, Belize, Bermuda, Cayman islands.