Feel free to contact me if you need assistance. In that case you can usually date the instrument by comparing engravings, features or lacquer of the instrument. Probably a part has been exchanged, it has been a custom build or prototype, or it has been simply forgotten to engrave it. Still, every now and then I come across trombones that have not been engraved. Type in “(manufacturer) trombone serial number list” and you will usually find what you’re looking for.įor your convenience I compiled a little list for the bigger vintage brands: After finding out the serial number the next step is to google. Usually that number can be found on the handbrace of the bellsection, the braces of the slide or the slide itself.Ĭonn trombones usually are only engraved on the outer slide. In most cases there is a serial number engraved in the trombone. I also foung a big dried drop of lacquer on a water key. w-Vtg CG Conn Ltd CENTURY 78B TRUMPET Yamaha 11C47C Mouthpiece Case Parts Repair.

This page contains a list of Conn serial numbers for brass instruments. The easiest and usually most precise way is to look for the serial number. Conn trumpet serial number gk620019 serial numbers All those issues appears to be very weird for an expensive made in USA horn. I am regularly being asked how to find out when a trombone was made.