Martin, Frank. (1890–1974) & Ansermet, Ernst. (1883–1969) Signed Program PhotographSigned halftone photograph of the Swiss composer and the Swiss conductor Ernst [Ernest] Ansermet, who conducted many of his works. The two are shown working together in a candid photograph on a page from a ca. 1950's concert program, from a concert which included Mozart's Jupiter Symphony and Willy Burkhard's Violin Concerto. Martin has signed on the page, while Ansermet's signature is clipped from another sheet and mounted at the foot. Overall toning