Ruins of the Imperial Palaces on the Palatine Hill. Dated: 1744/1750. Dimensions: sheet: 13 x 18.5 cm (5 1/8 x 7 5/16 in.) page size: 42.5 x 27.7 cm (16 3/4 x 10 7/8 in.). Medium: graphite on laid paper. Museum: National Gallery of Art, Washington DC