The product is a 1987 Donruss Mark McGwire Rated Rookie trading card, graded as a PSA 9 MINT. This card features McGwire as a member of the Oakland Athletics in Major League Baseball, making it a valuable collectible for fans of the sport. As a part of the base set by Leaf, this card showcases a young Mark McGwire during the 1987 season, making it a sought-after item for baseball card collectors.