Bach trumpet mouthpiece 1-1/2C. Old logo CORP. Silver finish. There aren't many scratches or distortions. Please note that this is a used item. Cup depth: M Diameter: 17.0 Rim: MW Not sharp-edged. Large diameter, medium cup, suitable for all-around use. Trumpet Mouthpiece Mouthpiece MP Bach bach Bach BACH 1-1/2C CORP. Old logo