Technical description: African blackwood with silver (-plated ?) keys. Reed well and sockets lined with metal, probably german silver. There is a bell ring, also probably of german silver. Simple octave keys. Depressing the C key lowers the R2 and R3 rings and the brille.
System: Thumbplate
L0: TP; 8.1.
L1: PP; 8.2; spat.
L2: R.
L3: T; Dtr.
L4: G♯; low B; low B♭; E♭ alt.
R0: sup.
R1: R; TP-alt.
R2: R.
R3: R; F.
R4: low C; C♯; E♭.(no forked F vent).
Keymount type: pillars. Keyhead type: cups.
Stamped on all three sections "R. M / R. Malerne / Paris" in gothic lettering. The stamp is larger on the bell than on the other sections.