11x14" folder © 1954. Folder cover identifies 12 famous athletes who are depicted on the included conditioning cards contained in the folder. They are Joe Louis, all time champion; Ehsan Karadag, dean of camp trainers: Whitey Lockman, major league ball star; Kid Gavilan, ring wizard; Paul Giel, football all-American; Paddy DeMarco, rugged athlete; Willie Pep, the master boxer; Ezzard Charles, ideal teacher; George R. Patterson, famous physical educator; Dell Flannigan, clever contender; Billy Graham, top welterweight; Lou Stillman, famous gym director. Text on back is titled "To You-The Student." Aging, moisture mark on edges. Folder originally held six two-sided conditioning cards. 10.75x13.75" each. Each card is numbered w/photos and illustrations of various exercises/workouts. Each side is attributed to one of the above-mentioned athletes. Each side is numbered. Center of each card has original brass grommet at top center. Lt. wear. Series then continues w/two additional (four sides) cards featuring Doak Walker/Yogi Berra/Bob Cousy/Ted Kluszewski. These cards are © 1955. They are accompanied by 10x13" one-sided sheet explaining "How To Use Your Four Advanced Conditioners." Illustrations of these four athletes appear in the corners of this sheet. The last card, which would be #17 in the series, is unnumbered but has 1956 copyright. This two-sided card is devoted to "Power Trigger/Mickey Mantle." Photos of Mantle w/facsimile signatures appear on both sides of this card. Illustrations show various exercises for toning up the "Power Muscles." Bottom of one side reads "Special Set of Mickey Mantle Exercises." Text also reads "Mickey Mantle Is The Latest Edition To The Manly Art Staff Of Instructors. 'Windup' Each Workout With Mickey's Exercises!" Lt. wear to tops of each due to grommets applying lt. pressure to stacked cards o/w workout cards remain clean, bright and VF. Inside original folder is six-day workout chart corresponding to the first 12 exercises. Additional images available online.