Undefeated heavyweight boxing champion, he died in a plane crash in 1969. Vintage pencil signature, “Rocky Marciano,” on an off-white 5.5 x 3.75 slip, affixed to an identical size slip. Accompanied by an unsigned glossy 8 x 10 photo of Marciano in the ring. Vertical fold through second “a” of last name of signature, some light wrinkling affecting the tops of a few letters of last name, and some light brushing to signature, otherwise fine condition. Auction LOA Steve Grad/PSA/DNA and R&R COA.