American activist and author (1880–1968), who, through her tireless efforts on behalf of the disabled, and the fictionalization of her early education in the classic play and film The Miracle Worker, became the most famous blind person in the world. Vintage pencil signature, “With sincere regards, Helen Keller, July 11th, 1955,” on a pale blue 4.5 x 3.5 card affixed to a same sized card and bearing an affixed newspaper photo at the bottom edge. A touch of mild scattered soiling, otherwise fine condition. R&R COA.