This is an antique C.G. Conn 2C New Wonder alto horn. The Serial number #139749 indicates it was built in 1914. The satin silver plated finish is in good condition for its age with average wear throughout. The instrument was just professionally cleaned and received new valve washers, water key pad and complete instrument pressure test to check for leaks. Includes original case, "Conn-Alto S" mouthpiece, cleaning rod and additional tuning slide.