Key of Bb. .460" bore, 5" bell, 1st valve slide thumb hook, 3rd valve slide stop, double tuning slide brace, Monel pistons, Amado waterkeys, lacquered finish.
Key of Bb. .460" bore, 5" bell, 1st valve slide thumb hook, 3rd valve slide stop, double tuning slide brace, Monel pistons, Amado waterkeys, lacquered finish.