Couturier, E flat helicon, 3 piston, c.1919

4681[1]

Tag #: 04681
Serial #: 5942

Bell Diameter Bore Size
16 1/2″ tapered, varies from ~.600″-.665″

Comments:

“CONICAL BORE / PATD / E.A. Couturier Co. / LA PORTE / IND.” on bell.

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