Technical description: Blackwood with silver plated german silver ferrules and keywork. Five pieces: mouthpiece, barrel, upper section, lower section, bell. Brown ebonite mouthpiece grooved for cord; blackwood barrels. Throat B♭ vent from A key. Extra vent for throat F♯ on L2. Plate for R1 with a connection to upper section closing two tone-holes in order to give an in-tune B₃/F♯₅. Disconnectable C sharp mechanism. 17 keys, 5 rings, 1 plate, 4 black rollers.
L0: T; speaker.
L1: T + ring + vent; throat A♮; throat A♭.
L2: T + ring + vent; F♯₄ vent; alternative cross key for F₄/C₆.
L3: T + ring; E♭₄/B♭₅.
L4: C♯₄/G♯₅; E₃/B♮₄; F♯₃/C♯₅; alternative lever for G♯₃/E♭₅.
R1: Plate + correspondence; 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.
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 a big double case, presumably not original. Also in case: reed, black cord and silver plated german silver reed-cap marked "FRANCE".
The mouthpiece, barrels and bell are replacements.