Boxer known as the ‘Boston Strong Boy’ (1858–1918). 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. Vintage ink signature, “Compliments of John L. Sullivan, Nov 4th, 1894,” on an off-white 5 x 2.5 lightly-lined slip. In fine condition, with mounting remnants to reverse. Pre-certified Steve Grad/PSA/DNA and RR Auction COA.
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