The product is a rare 2002 Topps Tribute Matching Marks George Brett and Don Mattingly memorabilia trading card featuring the Hall of Fame player George Brett from the Kansas City Royals. This single-insert card is an original manufacture by Topps in 2002, making it a highly sought-after collectible for baseball fans and card enthusiasts. The card includes a piece of memorabilia from both George Brett and Don Mattingly, adding to its uniqueness and value within the sports trading card market.