One of the most colorful fighters of the early twentieth century. Vintage glossy 8.75 x 13.5 composite photo of O’Brien striking several pugilistic poses, signed in fountain pen, “Sincerely, Phila. Jack O’Brien.” In very good condition, with sentiment and beginning of signature a couple shades light, some light skipping to signature, scattered light creases, and missing lower left corner tip. Pre-certified Steve Grad/PSA/DNA and RRAuction COA.
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