- "Firenze" model - Bore Ø 11.05 mm - Trigger on the third valve slide with push-button mechanism - Bernhard Zirnbauer valve mechanism with decompression bore at the third valve - One-piece valve slides - Water key on the main tuning slide - Gold brass bell Ø 130 mm - Brass thickness 0.45 mm - Thick gold-plating - Without case and accessories - Handmade in Bolzano, South Tyrol EUR 4699.00 - See more - Buy online