Claude Gellée (Lorrain) – National Gallery of Art (Samuel H. Kress Collection) 1952.5.44. Landscape with Merchants (c. 1629)
Materials: oil on canvas. Dimensions: 97.2 x 143.6 cm. Inscriptions: CLAVDIO o IVo169[R?]OM (lower left on gunwale of boat in brown paint). Nr.: 1952.5.44 Source: http://www.nga.gov/content/ngaweb/Collection/art-object-page.41657.html. P.S. I have changed the contrast of the original photo.