2011 W Burnished American Eagle Silver Uncirculated One Ounce Coin (1P6). Comes in the original box with COA.

Image and details below from the USMint.gov
"After a two year hiatus, the American Eagle Silver Uncirculated Coins are back! They contain one ounce of .999 fine silver and are struck on specially burnished blanks. This coin offers silver precious metal purchasers an additional collectible version of the popular American Eagle Silver Bullion Coin, and features a finish similar to its bullion coin counterpart. Each coin also bears the “W” mint mark reflecting its striking at the United States Mint facility at West Point. Each coin is encapsulated in plastic, placed in a protective outer box and accompanied by a certificate of authenticity signed by the Director of the United States Mint."