Ken Norton is a former WBC Heavyweight Champion of the World. He is best known for his 12-round split-decision victory over Muhammad Ali, on March 31, 1973. Ken Norton has hand signed this Boxing 8x10 Photo. Pristine Bold Blue Full Autograph. New, Custom Black Frame with White Mat. Sports World Collectibles Authentication #A29121 & Athlon Sports Collectibles Certificate of Authenticity. Image of actual item in stock - as shown