The product is a single-insert trading card featuring Don Mattingly from the 2019 Topps Complete Set Chrome Greatest Card Reprints. This collectible card is a reprint of a previously issued card, showcasing the athlete in his New York Yankees uniform. Created by Topps, a well-known manufacturer in the sports trading card industry, this card is part of a special insert set dedicated to celebrating the greatest players in Major League Baseball history. With the card number TGCR-20, this Don Mattingly trading card is a sought-after piece for baseball card collectors and fans of the New York Yankees.