The 2022 Bowman's Best Best of 2022 Autographs Marcelo Mayer ROOKIE AUTO SGC 10 card is a highly sought-after baseball trading card featuring a hard-signed autograph from Marcelo Mayer. This rookie card, part of the Best of 2022 Autographs insert set, showcases the talented player from the Boston Red Sox in the Major League Baseball (MLB). Manufactured by Topps, this original card is made of high-quality 20 pt. card stock and is authenticated by Bowman. With its unique design and limited availability, this card is a valuable addition to any sports card collection.