The product is a 2025 Topps Chrome Platinum trading card featuring Christy Mathewson from the MLB. This specific card is a Green Vibration Refractor parallel numbered out of 99. It is a non-autographed, non-rookie card that is included in the Green Refractor /99 insert set. Manufactured by Topps, it is a highly collectible item for baseball fans looking to add unique and limited edition trading cards to their collection.