See http://www.chisham.com/tips/bbs/may2002 ... 95946.html for some information on dimensions. But nothing about shape, or throat or bore size, or rim contour.
Would you describe the internal shapes of the ME1 as more of the bowl type, or the funnel type?
For Sale: 2 Marty Erickson Signature Tuba Mouthpieces
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This forum is for buying or selling your personal equipment. Sponsored selling is allowed as well. All ads are required to have the following information: Price (even for trades), brand, model, and location (City and State, for instruments, not accessories). It is acceptable to link to an external ad if you are promoting a sale of your personal equipment. No Ebay auctions, but "Buy It Now" listings are fine. Photos are HIGHLY suggested as well, and may be hosted on Google Drive, or elsewhere. If you see an ad that does not meet these criteria, please report it.