Selmer Balanced Action Alto Saxophone – Serial #27XXX (1939)Selmer Balanced Action Alto Saxophone Serial #27XXX (1939) Here is a rare opportunity to own a remarkable piece of musical and historical significance: a 1939 Selmer Balanced Action Alto Saxophone, serial number 27xxx. This horn hails from the final years of pre war production, just before World War II brought a major interruption to Selmers manufacturing operations. The Balanced Action model, introduced in the mid 1930s, marked a turning point in