Technical description: Stained boxwood with an ivory ferrule and brass keywork. Lower section of a clarinet in B?. No correspondence to upper section. Brass thumb rest. 8 keys, 2 rings. L4: F3/C?5; E3/B?4; F?3/C?5. R1: T. R2: T + ring. R3: T + ring; cross B?3/F?5. R4: G?3/E?5; E3/B?4; F3/C?5; F?3/C?5. Keymount type: screwed in pillars. Keyhead type: shallow cup.