Perantucci Tuba Mouthpiece PT-89 Silver Plated
 
These mouthpieces are all new stock and some also include "Mr Tuba" stamped on the mouthpiece from the factory.
 
Perantucci say the following about this mouthpiece.
Model PT-89 works well on medium-large and large-bore tubas. High resistance offers a good combination of easy, secure response and round, resonant tone.

Small and secure. Recommended for young players

Cup Diameter: 32.00 mm, bowl-shaped, shallow cup
Rim: 8.50 mm, rounded inner and outer edges
Throat bore: 8.35 mm
Resistance: High
 
Small Shank for instruments with a small receiver.
 
Please note - For mouthpieces purchased online I am not able to offer trials - if you are looking to try this mouthpiece, please contact Mr Tuba at sales@mrtuba.com
 
These mouthpieces are all new stock.  They may have the odd mark on the shank where they have been inserted into an instrument in-store and the box maybe a little tatty, but the are all new stock.
 
I find mouthpieces impossible to take photographs of due to the reflections, so the image shown in the stock image from Perantucci.  I am happy to supply additional images if you send me a message.