Original self-portrait drawing, ink and watercolor on an off-white 8 x 10 sheet of his pictorial letterhead with a typed note sending thanks to Errol C. Dugre in Springfield, Massachusetts, signed “Hirschfeld, April 21, 1964.” Sheet affixed to same-sized heavy card, intersecting folds to sheet (touching top of head and arm), and a hint of subtle toning and soiling, otherwise fine condition. R&R COA.