This listing is for a Vincent Bach Corp. 12C trombone mouthpiece. It is a small shank version. It is silver plated. This mouthpiece is in fair condition. There are a number of nicks/gouges on the rim of the cup. The plating is in excellent condition and has been lightly polished to restore its luster. The shank is round, but there are several minor stress cracks emanating from the end of it due to previous damage/repair. It has been cleaned/sanitized.