B&S 3137SG Challenger I Trumpet. Serial# 447076
- Series :Challenger 1
- Bore :.459″ / 11,66 mm ML bore
- Bell :4.803″/ 122mm #37 yellow brass or gold brass
- Valves :3 top-sprung hand-lapped Monel pistons
- Water keys :2 lever-style, forged (main tuning and 3rd valve slide)
- Features :Standard gold brass lead pipe and tuning slide bow, adjustable rod stop on 3rd valve slide, thumb saddle for 1st valve slide, maintenance-free rubber valve cap in-lays, one-piece hand-hammered yellow or gold brass bell
- Outfit :Hard wood-shell case included
- Mouthpiece included
