B&S 3143/2LR-S Challenger II L
B&S 3143/2LR-S Challenger II L, Bb Trumpet, 43 bell shape, Brass body, ML bore: 11.66 mm, One-piece, hand-hammered brass bell, Bell diameter: Ø 125 mm, Monel valves, Reversed LR mouthpipe, Outer slides made of nickel silver, Slide stop screw on 3rd slide, 2 Water keys, Silver-plated, Incl. mouthpiece and Prestige case