Barend Cornelis Koekkoek – The Metropolitan Museum of Art 87.15.30. Title: Winter Landscape. Date: 1833. oil on wood. Dimensions: 36.5 x 43.2 cm. Inscriptions: B C Koek-Koek 1833 (lower left). Acquisition date: 1887. Nr.: 87.15.30. Source: http://images.metmuseum.org/CRDImages/ep/original/DP143197.jpg. I have changed the contrast of the original photo.