Karl Knaths, Marble Mantel, Oil on canvas, Framed: 39 3/4 x 60 x 1 3/4 in. (101.0 x 152.4 x 4.4 cm); image: 30 x 50 1/4 in. (76.2 x 127.6 cm), National Gallery of Art, Washington, D.C., Paul Mellon Collection 1984.29.1
photo credit, Image (c) Board of Trustees, National Gallery of Art, Washington
