Backhaus, Wilhelm. (1884–1969) [Hanfstaengl, Erna. (1885–1981)] Plaster Casting of the Pianist's Hand, with Original Photograph and Inscribed BookletGrouping of items relating to the German pianist, including a rare plaster casting of his hand, an original Kodak photograph of Backhaus in his older age, and a small volume of beautifully printed gravure photographs from the "Die Grossen Interpreten" series (Roger Hauert & A. H. Eichmann, Geneva: Verlag R. Kister, 1957), inscribed to the ffe in pencil by Backhaus "Bitte, zurck an Fr. Erna Hanfstaengl" ("please return to Fr. Erna Hanfstaengl") and