Gold-plated brass mouthpiece for tuba, model PT-88. - Model: PT-88 - Material: Brass - Finish: Gold-plated - Application: Tuba mouthpiece Thank you for viewing. - Purchase Date: Approximately 10 years ago - Purchase Price: 18,000 yen - Gold plating: 5,000 yen The cup diameter is 33.5mm, large and deep hemispherical, with a very rounded bottom, making the low range easy to play. There is no major damage, and I believe it is still usable. * Price negotiation is possible.