Callas, Maria. (1923–1977). Signed Photograph in La Sonnambula. Signed photograph of the legendary diva, who is shown in costume for La Sonnambula at La Scala in 1955. She has signed and inscribed across the image. Photographed by E. Piccagliani for La Scala and copyright-stamped on the verso. Mounting remnants to the verso; overall very fine. 3.75 x 5.5 inches (9.5 x 13.8 cm).