2019 S American Eagle One Ounce Silver Enhanced Reverse Proof Coin SEALED BOX. I even labeled it for content and noted do not open on it.Lowest mintage of all eagles, sealed and ready for grading if youd like with COA # on slab. The item "2019 S American Silver Eagle Enhanced Reverse Proof Coin SEALED UNOPENED BOX" is in sale since Friday, November 6, 2020. This item is in the category "Coins & Paper Money\Bullion\Silver\Coins". The seller is "opiedrums" and is located in Allen, Texas. This item can be shipped to United States.