[Rachmaninoff, Sergei. (1873–1943)] Stransky, Josef. (1872-1936) Autograph Testimonial on RachmaninoffAn unusual autograph signed quotation from the Bohemian conductor, Mahler's successor at the New York Philharmonic Society (1911 1923), who writes that "Sergei Rachmaninoff is a giant among the composers of our time. He belongs to the class of Debussy, Richard Strauss and Ravel." Boldly signed and inscribed and dated August 4th, 1919. 7. 8 x 5. 5 inches [20 x 14 cm]. A few creases, small nick to left edge and blocks of toning to verso, else in fine