77/5834 Os, P.G. van (1776-1839). (Ruminating cow seen from behind). (Ruminating cow seen from the side). (Ruminating cow seen from the front, with cow's head seen from the side). Three drawings, pencil (2x on blue paper, 1x on white paper), 11,6x19 cm. (2x) and 13,2x19 cm., all monogrammed: "P.O. 1836", "P.O. 1838" and "P.O.1837", all tipped onto mount.

- Small rust hole in the first drawing above the cow.

= The two drawings on blue paper also have a sm. pencil sketch on verso.