The product is a 1999 Upper Deck Black Diamond Die Cut Insert trading card featuring football player Dan Marino, who is associated with the Miami Dolphins and the Pittsburgh Panthers. This rare card is part of the Black Diamond set and includes an insert feature. With a card number of 56, this collectible piece is a valuable addition to any sports trading card collection, especially for fans of Marino and the Dolphins or Panthers. Perfect for fans of football memorabilia, this card captures a piece of sports history from the 1999 season.