Monette PRANA TS11 mouthpiece for tenor trombone. It shows signs of use and minor scratches, but there are no major dents or significant gold plating wear that would affect its playability. The size is considered to be equivalent to a Bach 11-12C, but perhaps due to a larger throat, it was easier to control and produced a wider sound compared to other manufacturers' 7C mouthpieces. On the other hand, high notes were also very easy to hit, making it a versatile model for combo, solo, and lead playing in big bands (in my opinion). The TS11, which is not the S1, is not often seen, so if you are looking for one, I hope you will consider this opportunity. Please note that this is a used item, so please refrain from purchasing if you are looking for a perfect condition item.