77/5833
Os, P.G. van (1776-1839).
(Bull).
Drawing, black and some orange crayon, 14x18 cm., signed "P.G. van Os f. 1832" in ink in lower left corner.
- Sl. creased in left half.
AND 2 others by the same, both pencil sketches of ruminating cows, both monogrammed and dated "P.O. 1846" (pencil on blue paper, with sketch of a cow on verso; creased) and "P.O. 1848[?]" (pencil and some orange crayon on white paper; a few flattened creases and a few tiny browned spots), both tipped onto mount.
€ (150-250)