Jan van Goyen, ‘Sailboat on an Estuary’, ca. 1627-1629, National Gallery of Art, Washington, D.C.
Overall (approximate): 11.5 x 22.3 cm (4 1/2 x 8 3/4 in.)  support: 18.7 x 30 cm (7 3/8 x 11 13/16 in.)

About Jan van Goyen