The 2018 Topps Allen & Ginter Full-Size Relics B Masahiro Tanaka #FSRB-MK trading card is a collectible item featuring a piece of memorabilia from the Major League Baseball player Masahiro Tanaka of the New York Yankees. Manufactured by Topps in the United States, this sports trading card is part of the 2018 Topps Allen & Ginter set and is a sought-after item for baseball fans and collectors looking to add unique and valuable pieces to their collection.