Conn 12B Bb Trumpet (1940) SN 330949 (Coprion - Copper Bell)

Conn 12B Bb Trumpet SN 330949 with Coprion - Copper Bell. All slides, valves, water keys and pistons work well. New water key corks, new top cap felts, new valve felts and corks. Comes with Conn 6 mouthpiece, mute and original Conn case. Compression is excellent and trumpet slots well.