The product is a 2020 Topps Stadium Club Black Parallel trading card featuring an on-card autograph of Willi Castro, limited to only 25 copies. This baseball card belongs to the Major League Baseball (MLB) league and is part of the 2020 Topps Stadium Club set. The autograph is hard-signed and authenticated by Topps. The card is in near mint condition or better, making it a valuable addition to any sports trading card collection, especially for fans of the Detroit Tigers and baseball enthusiasts in general.