Conn, 25J, BB flat tuba, 4 piston, 1967, catalog cut From the 1958 catalog, page 33 Share this:TwitterFacebookLike this:Like Loading...
V & E Simonetti Historic Tuba Collection 
Hello, I have a Tuba BBb Conn 25j, serial number K38381. Could you tell us the year of manufacture of this instrument? Thank you.
Hello Giovani! Sorry for the late reply! Based on the serial number list given by Horn-u-copia, your horn was made in 1967. Here is the link to confirm: http://www.horn-u-copia.net/serial/Connlist.html