Jacobus Houbraken, ‘Portrait of a Gentleman’, National Gallery of Art, Washington, D.C.
plate: 36.9 x 23.2 cm (14 1/2 x 9 1/8 in.)  sheet: 40.2 x 27.3 cm (15 13/16 x 10 3/4 in.)

About Jacobus Houbraken