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I have a 3-piece mouthpiece from a friend which I initially assumed was all Doug Elliott, due to it having a Doug Elliot cup ("TU N"). But taking a less superficial look, the rim looks to be a Houser stainless steel rim, with no typical markings, but a faint " 2 0". so that's a bit of a mystery.

But the shank is lacquered brass, with a hexagonal section near the threads, and is marked "N4". Seeing the label suggests possible Marcinkowitz origin, but I am not aware of them making modular mouthpieces. The shank numbering is not current Doug Elliott nomenclature.

I am surprised that the multiple parts fit together well, even more that they yield a pretty decent mouthpiece.

I'll add a picture later, when I get home. Any thoughts on the origin of the shank?

TIA,
Mike

The shank is old style Doug Elliot. The numbers were for different backbore sizes I believe. No help on the rim though.

Thanks Mark! I had not seen reference to Doug's earlier numbering system. But it's less of a mystery now how well the shank is married to the cup. Dooh!!

Mike

No problem! But I’m Doug. The other Finley. Lol