Francoski rog double Merker-Matic F/Bb-Bb/F H292 Holton

F/Bb-Bb/F-Tuning, reversible (Geyer style) Double bore: F:.468" Small throated, hand-hammered yellow brass bell 12.25" Gold brass leadpipe (.301") Nickel silver outer slides Adjustable finger hook String action Lacquered finish Screw bell 703.590