Dune Landscape with Oak Tree, 1650?55, Black chalk; brush and gray wash; gouache; framing lines in pen and brown ink. , 8 1/4 x 7 1/2 in. (21. 0 x 19. 1 cm), Drawings, Jacob van Ruisdael (Dutch, Haarlem 1628/29?1682 Amsterdam), The image of the oak tree is one for which Ruisdael is justly well known. In this highly finished drawing, which must have had an independent status since the artist monogrammed it, the majestic tree takes center stage atop a dune around which a small stream trickles