Heavyweight boxing champion of the world, 1899–1904. Vintage ink signature, “Jas. J. Jeffries,” at the bottom of on an off-white 8.5 x 11 sheet bearing a 1951 letter from a collector asking for an authentic signature, after receiving a pre-printed signature in the mail. Collector has listed five other great heavyweights who provided original signatures, in the hopes of acquiring one from Jeffries. Accompanied by the original mailing envelope. In fine condition, with intersecting mailing folds, one through a single letter of signature. A nice crisp signature acquired with a little tenacity. Pre-certified Steve Grad/PSA/DNA and RRAuction COA.
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