Cunningham, Merce. (1919-2009) [Peterich, Gerda. (1906-1974)] Signed Photograph in "Sixteen Dances for Soloist and Company of Three"An important and early signed original Gerda Peterich photograph of the American dancer and choreographer who was at the forefront of the American avant garde for more than 50 years, shown mid leap in an image capturing a 1951 performance of Sixteen Dances for Soloist and Company of Three, the first dance in which Cunningham made use of chance operations. Cunningham has inscribed "To Paul, with best wishes Merce Cunningham" in black ink to the lower