The product is a rare and highly collectible 2026 Topps Chrome Black Mark McGwire trading card, featuring a 1/25 Orange On Card Auto variation. This card is autographed by Mark McGwire himself, making it a valuable addition to any sports card collection. The card is manufactured by Topps and is part of the 2026 Topps Chrome black bset, ensuring its authenticity and quality. This limited edition card showcases McGwire in his Cardinals uniform and is a must-have for fans of Major League Baseball.