Heavyweight boxing champion of the world, 1962–1964. Uncommon vintage ballpoint signature as champion, “Sonny Liston,” on an off-white 4.5 x 3 card, with a collector’s notation of “1-19-1963.” In fine condition, with date notations above and below signature and a collector’s pencil notation to bottom right. Auction LOA Steve Grad/PSA/DNA and R&R COA.
