You can work out with Mickey Mantle and famous athletes from the 1950s. This 11" x 14" folder, copyright Edward A, Kotite 1954, has twelve stars on the cover, who are depicted on the (10) Conditioning cards (11¾" x 13¾") contained inside. The numbered cards inside dated 1954 (6) correspond with athletes on folder cover. Printed front and back, they are Ezzard Charles, Kid Gavilan, Joe Louis and others. Cards dated 1955 (2) include Bob Cousy and Larry “Yogi” Berra. The last card would be #17 in the series. It is unnumbered and has a 1956 NSC copyright. This two-sided card is devoted to “Power Trigger/Mickey Mantle.” Overall VG-EX condition. Opening Bid $50.