![Muhammad Ali, world heavyweight boxing champion, in his gym with Johnny Coulon, the world bantamweight champion of 1910. Chicago, Illinois, 1966 | Magnum Photos Store Muhammad Ali, world heavyweight boxing champion, in his gym with Johnny Coulon, the world bantamweight champion of 1910. Chicago, Illinois, 1966 | Magnum Photos Store](https://content.magnumphotos.com/shop/wp-content/uploads/2021/01/HOT-NYC16015-MAIN.jpg)
Muhammad Ali, world heavyweight boxing champion, in his gym with Johnny Coulon, the world bantamweight champion of 1910. Chicago, Illinois, 1966 | Magnum Photos Store
Mecca Cigarettes | Philadelphia Jack O'Brien, Boxing, from Mecca & Hassan Champion Athlete and Prize Fighter collection, 1910 | The Metropolitan Museum of Art
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1910 BOXING Jack Johnson vs James Jeffries Worlds Championship Painting by Celestial Images - Pixels
![Jack Johnson, full-length portrait, standing facing front, wearing boxing shorts and boxing gloves] | Library of Congress Jack Johnson, full-length portrait, standing facing front, wearing boxing shorts and boxing gloves] | Library of Congress](http://tile.loc.gov/storage-services/service/pnp/ppmsca/31900/31940v.jpg)