Cecchetti, Enrico. (1850–1928) [Diaghilev, Sergei. (1872–1929)][Lifar, Serge. (1905–1986)] Autograph Letter to Diaghilev regarding Serge LifarExceedingly rare autograph letter from perhaps the greatest teacher in ballet history to the important impresario and founder of the Ballets Russes, Serge Diaghilev, regarding one of his most celebrated students, the young Serge Lifar, from whose collection this letter was originally obtained. 2 pages, on black bordered mourning stationery [his wife, the dancer Giuseppina Cecchetti, died October 24, 1927], no place [Milan, Italy], no date [ca. 1927].