MacKay, ‘Catherine Brower’, 1791, National Gallery of Art, Washington, D.C.
overall: 115.6 x 70.2 cm (45 1/2 x 27 5/8 in.)  framed: 129.5 x 84.4 x 3.8 cm (51 x 33 1/4 x 1 1/2 in.)