STEINWAY AND SONS PIANO.*ACCELERATED ACTION* PAT 1931 & 1936, *DIAPHRAGMAGTIC* SOUNDBOARD PAT 1936 AND 1937. #308356. MAHOGANY CASE AND LIFT TOP BENCH. 57 1/2 IN WIDE.1037_STEINWAY AND SONS PIANO.*ACCELERATED ACTION* PAT 1931 & 1936, *DIAPHRAGMAGT
