Brass Lab.MOMO M-1 Euphonium/Trombone Mouthpiece Mauro Martins Signature Model Cup Inner Diameter: 25.9mm Throat Diameter: 7.37mm V-Cup Large Shank Silver Plated Finish Used This is a mouthpiece of the model by Mauro Martins, a world-renowned euphonium player currently attracting attention. There are some minor scratches on the shank, but no other major scratches, dents, or distortions. The manufacturer's price is 45,100 yen. #brasslabmomo #ブラスラボモモ #マウロマルティンス #mauromartins #ユーフォニアム #トロンボーン #マウスピース