Very Lightly Used Grabner Contrabass Clarinet Mouthpiece in Original Box

This is a very nice, lightly used Walter Grabner mouthpiece for the contrabass clarinet, # 358. This piece is labeled as a CB1M and measures .100”, or 2.54mm. The mouthpiece is in pristine shape with no playing wear of note. Tip, rails, table, and beak are all in flawless condition. The original gold lettering/stamping is not faded and everything looks new. Comes in its original box.