Boxer known as the “Boston Strong Boy.” Fighting on turf, and with bare knuckles, Sullivan became the heavyweight champion of the world under the London Prize Ring rules by defeating Paddy Ryan on February 7, 1882. Ten years later, on September 7, 1892, he lost the championship to James J. Corbett under the new Queensberry rules. Crisp vintage fountain pen signature, “Compliments of John L. Sullivan, Dec. 6th 1910,” on an off-white 6 x 4 album page. In fine condition, with a few light wrinkles and mild toning. Pre-certified Steve Grad/PSA/DNA and RRAuction COA.
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