Augustin-Luc DEMOUSSY. Four portraits in Brazilian wood-veneered frames

Augustin-Luc DEMOUSSY (1809-1880).
Four portraits of the same family.
Charcoal and stump.
Signed and dated 1840.
34 x 26 cm (13-1/4 x 10-1/4 in.).
Within Brazilian wood-veneered frames with light wood threading.
Few foxings and chafed patches.

Provenance :