Horowitz, Vladimir. (1903–1989) [Diamond, David. (1915–2005)] Typed Note Signed to David DiamondTyped note signed from the beloved pianist to American composer David Diamond. May 27, 1965; 1 p. on a folded card printed with Horowitz' name. He writes: "Dear Mr. Diamond, It was very kind of you to write and send the clipping, and I greatly appreciated hearing from you. With warmest greetings, Sincerely, Vl. Horowitz." With original envelope. Very fine. 5 x 4 inches (12. 5 x 10 cm). From the collection of David Diamond, considered one of the