Created, owned, and coached the Harlem Globetrotters, spreading basketball and goodwill all over the world for 40 years. Vintage fountain pen signature, “Abe Saperstein,” on an off-white 5 x 3 slip. Accompanied by an unsigned original 10 x 8 wire service photo of Saperstein swamped in paperwork. In fine condition, with typed notation to top and intersecting folds, one in between letters of last name. Auction LOA Steve Grad/PSA/DNA and R&R COA.