The product is a 2023 Bowman's Best trading card featuring the autograph of Mairoshendrick Martinus, a rookie player from the Los Angeles Dodgers. This card is part of the Best of 2023 Autographs insert set by Topps, showcasing promising talents in Major League Baseball for the 2023 season. This collectible card is a sought-after item for baseball card enthusiasts and fans of the sport, adding value to any collection with its unique features and limited availability.