Courtois Flugelhorn Valve Block Parts 1950-1960s.
For sale a used valve block from a Courtois flugelhorn with the serial number 7108. Most likely from the are 1950-1960.
The valve block has a piston bore of 16.6-16.7mm. For what I know, this is the standard size Courtois has used on its flugelhorns.
Bore towards the leadpipe is 11mm, bore toward bell branch is 11.5mm.
Including all valve slides, which had some repairs.
The horn is missing a lot of parts, including the pistons. I have more parts, please reach out to me if you need anything for your vintage Courtois flugelhorn