For decluttering, I am selling a Brass Lab.MOMO Brass Lab Momo 50⭐︎JR large shank mouthpiece. This is a handmade trombone, euphonium, and large shank mouthpiece with an inner gold finish. The new retail price is 58,300 yen. I have used it several times, but there are no noticeable dents or scratches, but please be sure to check the photos. The original box is included. This mouthpiece has a quick response and produces a solid, thick sound. This is a used item, so please understand. Please refrain from purchasing if you are sensitive to used items. No returns or exchanges, please.