- Custom - Orchestra Series - Conical rotary valves with 3B linkage system - Detachable, hand hammered medium-large bell - Corrosion resistant gold brass leadpipe - Brass body - Bell: Ø310 mm - Bore: Ø11.90 mm - Valve cover engraving - Coated with a clear layer of lacquer - Incl. Mouth piece and a Marcus Bonna case - Made in Germany EUR 9598.00 - See more - Buy online