• Conn Trombone Serial Numbers

Conn Trombone Serial Numbers

Conn Saxophone Serial Number List. Years and Serial Numbers are approximate, Pictures all Models, Thanks Pete, and to all contributers! Conn Director Trombone- 1956-57 with Mouth Piece and Case We don't know anything about musical instruments so we'll describe as best we can. This was found at a yard sale. It is a used Conn Director Trombone. From the serial number we can tell that it was produced between 1956 and 1957.