Conn connstellation trumpet dating
Brand (Conn), model (38B Connstellation), MPN (Serial # L78385), Key (Bb), Skill Level (Professional), Country/Region of Manufacture (United States) Highly polished nickel finish, with brass trim, protected by longer lasting, acid resistant lustre Conn finish. Trigger mechanism on first valve gives great flexibility in both high and low ranges.
Features amazing electro d bell, top spring less crysteel valves, non corroding micro finish mouthpipe and scientific cali bore. Most seem to have the "Upsidedown Nike" Bell Logo and are model BU-7.