Two typed letters signed from the important German-American conductor, sending thanks to a Mr. James Browning for his telegram and "enthusiasm." May 6, 1959 and October 16, 1960. Light creases and toning; overall fine. 8.5 x 11 inches (21.6 x 27.8 cm) and 6 x 7 inches (15.3 x 17.7 cm).