Unknown subject (Let Him look up into the Heaven and laugh in the bright air), William Blake, possibly c. 1805

Date: possibly c. 1805. Dimensions: plate: 16.2 x 9.5 cm (6 3/8 x 3 3/4 in.); ; sheet: 17.5 x 10.5 cm (6 7/8 x 4 1/8 in.). Medium: aquatint, engraving, etching, print. Collection: National Gallery of Art. William Blake, Unknown subject (Let Him look up into the Heaven and laugh in the bright air), possibly c. 1805, NGA 49045