Technical description: Blackwood with german silver ferrules and keywork. Five pieces: mouthpiece, barrel, upper section, lower section, bell. Original named cocus wood mouthpiece marked for a ligature. Curved speaker with chimney on front of the instrument. Long tailed throat A? key indicates that the instrument was made for the British market. 12 keys, 2 rings. L0: T; speaker. L1: T; throat A?. L2: T; throat A?. L3: T; cross E?4/B?5. L4: C?4/G?5; E3/B?4; F?3/C?5. R1: T; side F4/C6; side trill key for throat A-B? and B?-C. R2: T + spectacle. R3: T + spectacle (forked B?3/F?5); cross B?3/F?5. R4: G?3/E?5; F3/C5. Keymount type: screwed in pillars. Keyhead type: modern.