Autograph signature from the important Belgian violinist, penned on the verso of a postcard photograph. Ysaye is shown on the recto playing his instrument, and has penned on the verso: "Souvenir de E. Ysaye / April 3, 1923." Silvering, especially to the right side; overall very good. 5.25 x 3.25 inches (13.5 x 8.5 cm).