Up for bid is a vintage Vincent Bach Corp. New York Bass Trombone Mouthpiece. There are no size designations, however this mouthpiece seems to be considerably older. It has the name "Bob Harper" etched into the bell. The mouthpiece is clean and in fair condition with minimal scratches and no noticeable corrosion. The end of the shank is slightly oblong/dented. Please check out all pictures before bidding.