This is a bass trombone mouthpiece. I used it for about six months a few years ago and then stored it. There are signs of use on the rim and shank, but I think there are no problems with playing. There is no original box. S.E.Shires New Classic 1-1/2MD Rim inner diameter: 27.6mm Throat: 7.4mm Silver-plated finish The shape of the decoration at the base of the shank is from before it was simplified a few years ago. It may be difficult to obtain a completely identical new one, as it is only available while supplies last. Please consider this opportunity. Compared to the Vintage series, it has a slightly medium-heavy body shape, and the sound is well-balanced over a wide range, boasting a powerful tone. Also, disliking the harshness often found in heavy-weight mouthpieces, this mouthpiece was developed through repeated testing and combines a light playing feel with excellent control, making it truly the definitive edition of modern American symphonic sound.