An early autograph signature from the superb American pianist of Czech birth, a student of Janacek who recorded his complete piano music and premiered works by Barber, Ginastera, Hanson, Martinu and Menotti. On an album page with a mounted halftone photograph showing the pianist at around age 25. In fine condition. 4.25 x 7.25 inches (11 x 18.5 cm.)