Orchestral & Wind Instruments
Edwards B-454 Bass Trombone 9-1/2"
Edwards B-454 Bass Trombone 9.5", Bass Trombone, Open-wrap construction, Thayer Axial valves, Interchangeable 9.5" red brass bell, Brass outer slide, Chrome-plated nickel silver inner slide, Interchangeable brass mouthpieces: B1, B2, B3,...
https://www.bizrate.co.uk/orchestralinstruments/edwards-b-454-bass-trombone-9-1-2-oid714834343.html