American Eagle 2021 One Ounce Silver Reverse Proof Two-Coin Set Designer Edition. The item "American Eagle 2021 One Ounce Silver Reverse Proof Two-Coin Set Designer Edition" is in sale since Sunday, October 3, 2021. This item is in the category "Coins & Paper Money\Bullion\Silver\Coins". The seller is "chefdelleon" and is located in Albuquerque, New Mexico. This item can be shipped worldwide.