Sanders Autograph Guide (2009) prices a Chamberlain signed photo at $180.

Photo cut from a magazine boldly signed.  Photo measures 11 1/2" x 4 1/2" and has an ironed out fold not affecting the signature.  Also included is secretarial note, dated 22nd June 1937 which forwarded the photo.

Arthur Neville Chamberlain FRS (1869-1940) served as Prime Minister of the United Kingdom from May 28, 1937 to May10, 1940.  He is best known for his foreign policy of appeasement, and in particular for his signing of the Munich Agreement on 30 September 1938, ceding the German-speaking Sudetenland region of Czechoslovakia to Adolf Hitler.