The Vintage Clarinet Doctor - This c.1950 Monopole Conservatoire model Bb Boehm clarinet was built on contract for the Paris conservatory by Couesnon and is a wonderful professional level 7 ring instrument
Couesnon Made in France Bb Clarinet Boehm System 17/6 Grenadilla Wood | Reverb
Vintage Couesnon S.A. Bb Boehm system Clarinet : r/Clarinet
Clarinette COUESNON Vintage Nr 32979 1950s Env Paris - Etsy
Vintage Couesnon & Cie A Paris Bb Boehm Clarinet - Vintage clarinet and saxophone repair, restoration, sales. - THE VINTAGE CLARINET DOCTOR