i am not a professional grader, i am giving my honest opinion, please look at scans of card and you decide. card is in penny sleeve and top loader. please let me know if i am giving wrong grade to cards. This is a 1964 Topps sports trading card featuring Mickey Mantle, Harmon Killebrew, and Boog Powell as home run leaders. The card is numbered 3 and is part of the 1964 Topps set. It is a single card and is categorized as a sports trading card. The manufacturer of the card is Topps and it is from the Major League Baseball (MLB) league.