DIEGO RIVERA (1886-1957) Mexican painter and the leader of the Mexican socio-political school of painting. His leftist-oriented works are based on native historical themes and grace the National Palace in Mexico City. A.N.S. 1p. 8vo.[?], New York, Dec. 22, 1931 to a "Monsieur Cole", in French, warmly sending regards and his autograph, which he signs in full. The ariting appears to have been executed on the mount of a 4" x 5" photo, or photo may have been attached to the letter. Fine condition, matted and framed. $300-400