Professional. Divided long joint, silver-plated mechanism, 13 sterling silver keys – wing joint: one ring and whisper-key – boot joint: one ring, F, F#, Ab key, G spatula, Bb, E, F# and Ab spatula – long joint: C# and Eb spatula;
Automatic G ring key, high-D key, high-E key, E-F# trill, Eb key on wing joint, double spatula for high E, whisper key mechanism operated on wing joint and self-acting from low-E key,
whisper-key lock for left thumb, link between A and whisper key, Ab-Bb trill key (boot joint) with multifunctional possibilities to trill, double C# key on boot joint, adjusting screw on Bb key (long joint) to optimize intonation of low register, B and Bb keys on long joint held in by individual brackets;
Gliding roller on whisper-key mechanism, on link between low-E key and whisper-key mechanism, on B and Bb key on long
Double C spatula, balance hanger;
15 “mother-of-pearl” rollers – wing joint: one each on whisper key and C# key – boot joint: one each on F key, F# key little finger, Ab key little finger and Bb key, two each on low-E key and F# key for thumb, one on Ab key for right thumb – long joint: one each on C# key, D# key, low-D key and low-C key;
Five finger-holes and one tone-hole lined with sterling silver tubes extending into the bore, one tone-hole rubber-lined, wing joint bore and small-side boot-joint bore rubber lined, wide-side boot-joint bore partially lined, nylon-lined pivot screw keys, engraving “Superior” on ferrule of wing joint