1938 F.C. Cartledge #18 John L. Sullivan PSA 9 HOF POP 26, 1 Higher. Great Heavyweight Champion from the “bare Knuckle” boxing era (late 1800’s and first gloved heavyweight champion from 1882-1892. Very low pop from this nearly 85 year old MINT card. New PSA label and no scratches. Nickname was the “Boston Strong Boy” and is considered a great boxer of all time.