ML .459" drill = 11.66 mm Bell Ø 4 13/16" = 122,24 mm Horn 37 with 90° weld, mouthpiece branch # 25 Mouthpiece branch # 25 Monel pistons, two-part brass/micron piston block. Wide spacers Thumb rest on 1st slider, ring on 3rd slider Vintage hook, special anniversary engraving 2 sets of metal/nylon guides included Original VINCENT BACH 3C mouthpiece Rectangular wooden box "Anniversary" C180A Silver plated brass
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