TOSCANINI, ARTURO (1867-1957). Postcard photograph inscribed and signed ("Arturo Toscanini"), by Pieperhoff, Leipzig, 1931 (copyright imprint on verso). 136 x 84 mm. (5 3/8 x 2 3/8 in.) including margins. A bust-length, profile portrait of the tempestuous Italian conductor, inscribed and signed with musical quotation on lower image and margin: "Arturo Toscanini Bayreuth 10-8-1931 [on lower portion of image in white ink]" and with a musical quotation from Wagner's opera Parsifal below on the lower margin in black ink.