SIBELIUS, JEAN. Typed letter signed in pencil ("Jean Sibelius") to Harry C. Oppenheimer, thanking him for a gift of cigars. Järvenpää, 22 February 1952. One page, small 8vo, integral leaf blank; with original envelope. The letter is partially mounted (by the blank integral leaf) to the front pastedown of the following work: The Music of Sibelius. Edited by Gerald Abraham. New York, [1947]. 8vo, original cloth. FIRST EDITION.