World light heavyweight boxing champion (1878-1942). O'Brien was inducted into the Ring Magazine hall of fame in 1968, the World Boxing Hall of Fame in 1987, and the International Boxing Hall of Fame in 1994. AQS on an off-white 5 x 3 card, signed below in fountain, “Phila’ Jack O'Brien, 4/12/38,” who Ring Magazine listed as their No. 2 all-time light heavyweight champion. O'Brien adds above: “If acquaintances do not inspire you mentally, morally, physically, spiritually, or lend thoughts to assist progress in life—sever connections.” In very fine condition.
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