Walls of Rome with Santa Maria del Popolo in the Distance. Dated: 1744/1750. Dimensions: sheet: 12.5 x 18.5 cm (4 15/16 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, Wa