Auer, Leopold. (1845-1930) Signed PhotographSigned photograph of the important violinist and influential pedagogue, teacher of Elman, Heifetz, Milstein, Zimbalist, Parlow, Schumsky and many others! A mounted oblong halftone Mishkin photograph measuring 16 x 11 cm, signed and inscribed "To Mr. Siegfried H. Kahn in remembrance L. Auer New York April 28th 1921." Mounted to slightly larger, light horizontal crease through the photograph but very presentable. Signed photographs of Auer are very