Conn New Invention Bb and A Cornet (1911) SN 123333 (Large Bore .484) (Gold plated)(professional)

Conn New Invention Bb and A Cornet (1911) SN 123333 (Large Bore .484) (Gold plated). All valves, slides, pistons and water keys work well. Comes with all slides original cleaning rod and lyre. Professionally ultrasonically cleaned, polished, and sanitized with new key button felts and new valve felts. New water key corks. Gold plating at 94% with minor wear near the back of the piston casing and various high touch points.