B&S ; 3137/2-L Challenger II L
B&S; 3137/2-L Challenger II L, Challenger II Bb Trumpet, Brass body, ML Bore: 11.66 mm, Single piece, hand hammered Ø 125 mm brass bell, Monel valves, Nickel silver outer slides, Slide stop screw on 3rd slide, 2 Water keys, Clear lacquer finish, Incl. mouthpiece and prestige case, Made in Germany