The product is an autographed jersey of Matty Beniers, a player for the Seattle Kraken in hockey. The authenticity of the signature is guaranteed by Professional Sports Authenticator (PSA) certification. This original autographed item is a valuable piece for fans of the team or collector of hockey memorabilia looking to add a unique and authentic piece to their collection. The signature and certification provide assurance that the item is genuine and adds to the overall appeal of the product for fans of the Seattle Kraken and hockey enthusiasts.