[CAUCASUS LINEAR COSSACKS].
Ofitser Lineinogo Kazach'ego polka v maloi forme.
Officier du Regiment du Caucase des Cosaques en petite tenue.
Pencil drawing, captioned in Russian and French below, 15.5 x 16 cm. (6 1/8 x 6 1/4 in), some spotting, in contemporary mount.