Petri, Egon - Wallerstein, Alfred - Double Signed Program Pasadena 1945

Program for a concert performance by the Dutch pianist of works by Bach, Brahms, and Grieg, under the baton of Alfred Wallerstein, in Pasadena (California), December 5th, 1945, signed by the pianist and the conductor on the front cover.  Size is 5.8 x 8.9 inches, full program with all pages and covers, in very good condition.