The product is an authentic Cooperstown authentic collection Mitchell & Ness signed Pittsburgh Pirates Barry Bonds jersey, size XL, with a Certificate of Authenticity from Total Sports TSA. This jersey is a genuine autographed item by the player himself, making it a valuable and collectible piece for fans of the Pittsburgh Pirates and Barry Bonds. It is a one-of-a-kind product that showcases the player's signature and is verified by a trusted authentication service, making it a prized possession for any sports memorabilia enthusiast.