The product is a 2013 Topps Allen & Ginter's trading card featuring a relic of Mariano Rivera, a legendary baseball player from the New York Yankees. This memorabilia card is part of the Relics insert set, making it a unique and sought-after item for fans and collectors. With the card number AGFR-MR and manufactured by Topps, this piece is a valuable addition to any sports trading card collection, showcasing a piece of Major League Baseball history from the 2013 season.