Child prodigy (1876–1957) who later became one of the world's famous pianists and pedagogues. AMQS on a 4 x 2.75 off-white card. Hofmann pens a detailed bar from an unidentified work, labeled at the top “Vivace!,” and signed underneath, “Josef Hofmann, Merion, Pa. 1929.” In fine condition, with small caption affixed to top edge and a touch of mild toning. RRAuction COA.