Tag #: M201410
| Length | Inner Rim Diameter | Throat Diameter | Cup Depth | Shank End Diameter |
| 3.840″ | 1.30″ | .341″ | 1.45″ | .516″ |
Comments:
“H″ text on side. This first type of Helleberg tuba mouthpiece was only marked with an “H” on the cup. Contrast this with the full “Helleberg” marking of the 1930’s Helleberg.
V & E Simonetti Historic Tuba Collection 