2021-W American Silver Eagle One Ounce Proof Coin with Box and COA. After 35 years, this classic and popular coin was updated with an enhanced obverse design and brand-new reverse. Thanks to modern design technology, the updated obverse is a closer reflection of Weinman’s original vision and includes the addition of his traditional artist mark. One troy ounce of. 999 fine silver Enhanced security features include an anti-counterfeit reeded edge variation Minted at the West Point Mint. Enhanced security features include an anti-counterfeit reeded edge variation. Minted at the West Point Mint. Sorry, our items are NOT available for pick-up. No additional information at this time.