This is a Marcinkiewicz mouthpiece, favored by studio and big band professional musicians. It's a signature model for Mic Gillette, who played both trumpet and trombone as a studio musician for Tower of Power. The model number is E8.7*GILLET. For more detailed information on size, shape, playing feel, and for used and new mouthpieces, please search for "net brass". There are no major scratches or dents that would affect 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 for "net brass". net-brass.com