This is an old Back-stamped horn mouthpiece. ○ Current Product Specs Inner Diameter: 17.25mm Cup Depth: Medium This is a large mouthpiece, characterized by a rich sound. There are some scratches and dullness from long-term storage and use for test playing. * No box included; will be carefully packaged for shipping. * Will be thoroughly cleaned before shipping. Type: Horn Accessories/Parts: Mouthpiece