Orchestral & Wind Instruments
Kühnl & Hoyer Orchestra Alto Eb/Bb- Trombone
Kühnl & Hoyer Orchestra Alto Eb/Bb- Trombone, Eb/Bb- Alto Trombone, Model Orchestra Alto, With valve, 180 mm diameter gold brass bell, Nickel silver slide, Clear lacquer finish, Bore: 12.20 mm, Includes 6- 1/2 AL-S mouthpiece, Without case
https://www.bizrate.co.uk/orchestralinstruments/k%C3%BChnl-hoyer-orchestra-alto-eb-bb-oid1001052784.html