I just found a whole box of these early prototype mouthpieces while cleaning up in the shop! These mouthpieces are all based on the Al Cass designs (a huge inspiration for many of my design concepts). Ultimately I decided against using this outer blank design. Since these are prototypes they're not engraved, although each one will come with a paper label. Original Al Cass pieces can go for quite a pretty penny in eBay auctions, but since these are prototypes I'm selling them at blowout pricing here. Limited stock available!
Austin Custom Brass Early Prototype Mouthpiece Blowout! lot543, 544, 545
Smaller ID and Shallow Cup.
A BARGAIN on an ACB Prototype Mouthpiece!
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Due to the low sale price, no coupons can be used on these items.