Jacob van Ruisdael – private collection. Landscape with a Waterfall near a Castle (the 1670)
Materials: oil on canvas. Dimensions: 53.7 x 42.5 cm. Inscriptions: JRuisdael (on a rock lower right). Sold by Sotheby’s in New York, on June 6, 2012. Source: http://www.sothebys.com/en/auctions/ecatalogue/2012/old-master-paintings-n08869/lot.14.html. I have changed the light, contrast and colors of the original photo.