Tag #: M201424
|Length||Inner Rim Diameter||Throat Diameter||Cup Depth||Shank End Diameter|
“CONN – HELLEBERG″ text on side, somewhat rubbed out. This later type of Helleberg tuba mouthpiece was marked with the full “Conn – Helleberg” on the cup. Contrast this with the first style Helleberg, which only had an “H” on the cup.