Francoski rog double-Farkas F/Bb-Bb/F H179ER Holton

F/Bb-Bb/F-Tuning, reversible Separate Bb-tuning slide 468" bore (11,89 mm) Large throated, hand-hammered nickel-silver bell (12,25") Nickel-silver leadpipe (.310'') with waterkey Nickel silver inner and outer slides String action Wood shell case Lacquered finish 703.558