Themistocles von Eckenbrecher, ‘Theater of Herodes Atticus’, 1890, National Gallery of Art, Washington, D.C.
Overall: 14.3 x 16.1 cm (5 5/8 x 6 5/16 in.)  support: 48.8 x 33.7 cm (19 3/16 x 13 1/4 in.)