Alexander Mainz Uberhorn - universal double french horn F-B unique 2000 in Norfolk, Virginia For Sale

Alexander Mainz Uberhorn - universal double french horn F-B unique
Price: $xxxx
Alexander Mainz Uberhorn - universal double french horn F-B unique. The horn is extremely rare collectors item. It plays in B and F (from high F and low F). Main pitch is B. It is fixed bell design, gold brass, 5 valves and 4 keys. Slides and rotors move freely, no sticking keys. Without serial number, probably custom made, nice floral engraving on the rotors caps (very old engraving by maker), year xxxx-xxxx. Made in Germany. Hard case and Alexander mouthpiece included.