MTP Bb/F Valthorn Dobbel mod.800 G Custom

Gold brass lacquered, 4 rotary valves, switchable Bb/F and F/Bb, bore 11,8 mm, gold brass leadpipe, ball bearings, white brass valve casings, adjustable finger hook, bell 310 mm, white brass inside and outside slides, case with backpack straps, mouthpiece