C.G. Conn "Vintage" - Key of F/Bb, .468" bore, Kruspe wrap, 12-1/4" lightweight annealed large throat nickel silver screw bell, nickel silver branches and slide tubes, annealed first branch and mouthpipe, tapered rotors and bearings, all string linkages, hand lapped slides and rotors, extra long 2nd Bb slide pull ring, reconfigured 1st Bb slide crook, soldered-on outside tube bead rings, two push-button waterkeys, brass vintage style engraved rotor caps, clear lacquer finish, Holton MC mouthpiece, 7511CS fiberglass shell case.