KOUSSEVITZKY, Serge, letters, autographs, documents, manuscripts Home | Archive | Facsimiles | Forgeries | Back KOUSSEVITZKY, Serge (1874-1951). Russian-American conductor. Postcard-sized reproduction of a portrait of Koussevitzky, bodly signed in ink in the lower white margin, no date. [No: 21417] This is the archived description of an item that has already been sold. Please contact me if you would like any further intormation.