Piastro, Mishel. (1891-1970) Autograph SignatureA signed card from the great violinist, dated 1933, mounted to paper along with a half tone photograph clipped from an unidentified publication. Fine. Paper measures 6. 5 x 10 inches (15. 3 x 26 cm.), card 3. 25 x 2. 25 inch (8. 2 x 5. 7 cm.). Piastro was one of Auer's great Russian Jewish students, and with Elman and Zimbalist, he was exempted from military service by the Czar in order to further his career. Concertmaster of the of the San Francisco