Technical description: Blackwood with german silver ferrules and keywork. Five pieces: mouthpiece, barrel, upper section, lower section, bell. End pivoted F₃/C₅. Alternative R1 touchpiece for C♯₄/G♯₅. Thumb lever for F♯₃/C♯₅. Unusual L4 mechanism. 16 keys, 4 rings, 2 german silver rollers.
L0: T; speaker corresponding with first ring.
L1: T + ring + vent; throat A♮; throat A♭.
L2: T + ring + vent.
L3: T; E♭₄/B♭₅.
L4: C♯₄/G♯₅; E₃/B♮₄; F♯₃/C♯₅; alternative lever for G♯₃/E♭₅.
R1: T; side F₄/C₆; side E♭₄/B♭₅; side trill key for throat G♯-A or C₆-D₆; side trill for throat A-B♮ and B♭-C; alternative touchpiece for C♯₄/G♯₅.
R2: T + ring + vent.
R3: T + ring (forked B♭₃/F♮₅); cross B♭₃/F♮₅.
R4: G♯₃/E♭₅; F₃/C₅.
Keyhead type: modern.
Keymount type: screwed in pillars with push-pins.
Bell rim loose.
Previous ownership: purchased in Hungary
h. fricke, oct-dec 2006.
purchased in Hungary.; Bequest of Sir Nicholas Shackleton, 2006.