Arturo TOSCANINI. Engraved portrait with autograph dedication signed, 1938; 46x36cm (30x23cm for the engraving). Engraved bust portrait of Toscanini by Joseph Margulies (1896-1984, Viennese-born American painter and engraver), proof signed by the artist. On the passepartout, Toscanini inscribed the dedication: "To Josef Margulies Cordially Arturo Toscanini. March 3.1938".