Gilles Demarteau, the Elder after François Boucher, ‘Head of a Woman Looking Up’, 1767, National Gallery of Art, Washington, D.C.
Overall (3rd framing line): 20.9 x 16 cm (8 1/4 x 6 5/16 in.)  image: 19.5 x 14.9 cm (7 11/16 x 5 7/8 in.)