The 1987 Fleer Don Mattingly #104 trading card is a highly sought-after collectible for fans of Major League Baseball and the New York Yankees. This baseball card features the player Don Mattingly from the 1987 season in near mint or better condition. With its base set design and iconic manufacturer, Fleer, this card is a valuable piece for any sports memorabilia collector looking to add a piece of baseball history to their collection.