The product is an autographed 1988 Fleer Glossy Rookie trading card of baseball player Edgar Martinez, who is a member of the Seattle Mariners and a Hall of Famer. The autograph has been authenticated by James Spence Authentication (JSA) and the card has received a high grade from Certified Guaranty Corporation (CGC) with scores of 8 and 10. This collectible item is a valuable piece for fans of baseball and memorabilia enthusiasts.