The product is a 2013 Topps UFC Knockout trading card featuring an autograph relic of Demetrious Johnson, a fighter in the Ultimate Fighting Championship (UFC). This card is part of a limited print run of 399 and is serial numbered as #KAR-DJ 87/399. Manufactured by Topps, it is a valuable collectible for fans of mixed martial arts (MMA) and memorabilia enthusiasts.