1956 Conn 18H (coprion) Director Trombone
The Conn Coprion (copper 1 piece bell) is the stuff of legend. It was first used on the Conn 12H professional trombone from 1938 - 1955 and then on the 18H Director from 1954 - 1970. The soft copper bell (aka Coprion) produces a warmth unlike yellow or red brass and certainly warmer than silver. **SOLD** BUT more in my inventory to be listed soon.
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