Themistocles von Eckenbrecher, ‘Temple of Olympian Zeus’, 1890, National Gallery of Art, Washington, D.C.
image (lunette): 15.3 x 15.5 cm (6 x 6 1/8 in.)  sheet: 15.9 x 15.9 cm (6 1/4 x 6 1/4 in.)  support: 48.8 x 33.7 cm (19 3/16 x 13 1/4 in.)