B&S; 3136TC-S Challenger II, Challenger C Trumpet, Thierry Caens sound, Brass body, 11.73 mm bore (CL), One-piece, light, hand-hammered Ø 121.50 mm gold brass bell, Monel valves, Nickel silver outer slides, Slide stop screw on the third slide, 2 Water keys, Silver-plated, Including mouthpiece and prestige case, Made in Germany