Throughout his career; Mike Tyson won numerous titles; including the WBC; WBA; and IBF heavyweight belts; solidifying his place as one of the greatest heavyweights of all time. In 1988; Tyson would be tested in an Undisputed World Heavyweight Championship against Michael Spinks. Tyson entered the fight 34-0 while Spinks was 31-0. It was a battle of the undefeated heavyweights which the world was ready to see. Tyson wasted no time with Spinks as he knocked him out in 91 seconds. It took Tyson eight punches; and he had Spinks finished in the sixth shortest heavyweight title fight in history.This Sports Illustrated cover print from July 4th; 1988; is autographed by Mike Tyson. Tyson's signature was witnessed by an Upper Deck representative as part of UDA's 5-step authentication process.Includes hologram!This Mike Tyson signature is guaranteed authentic through the Upper Deck hologram system. Authenticator Pre-Certified Authenticator: Upper Deck Authenticated History of item: Tyson has signed this item in the presence of a representative from Upper Deck Authenticated. Describe how you came to possess this item: