Thank you for viewing! Vincent Bach 5GS Trombone Euphonium Mouthpiece Gold Plated There are scratches from use and areas where the gold plating is thin, but there are no dents. Please purchase only if you are not concerned as this is a used item. [Product Description] 5GS: Shallow G-style cup with a small throat and backbore. Suitable for high range, brilliant sound. Cup Size: MD (slightly deep) Inner Diameter: 25.50mm Rim Thickness: MW (medium) Slightly flat rim