Thank you for viewing. This is a Warburton mouthpiece, favored by musicians in studios and big bands. The model number is Warburton 7. It is compatible with Kanstul, Parke, and others. Please search "net brass" for detailed size information, playing feel, and sound. There are scratches and plating wear on the body and shank. There are no major scratches or dents that would interfere with playing. Please refrain from comments asking for a price reduction. Immediate purchase is OK. If you are interested in used or new mouthpieces, please search "net brass". net-brass.com #Mouthpiece #Trumpet Type...Trumpet Accessories/Parts...Mouthpiece Type...Trumpet