F/Bb Double Horn Model: Hans Hoyer 4802-A/KL Ser. No. 263017

yellow brass, laquered, detachable bell. cord lever action
+ blue Rimskys-Horns Gig Bag
+ several Tilz mouthpieces

Special retrofits:
adjustable finger hook (soldered, replaces original finger hook)
extended levers (retrofit: bonded epoxy + brass extensions)
shifted levers (retrofit using extra bolts and brass joining pieces)
leather hand guard with string fastening