Themistocles von Eckenbrecher, ‘Propylaeum’, 1890, National Gallery of Art, Washington, D.C.
Overall: 14.4 x 15.9 cm (5 11/16 x 6 1/4 in.)  support: 48.8 x 33.7 cm (19 3/16 x 13 1/4 in.)