1791. London: Johnson, 1791.
Single sheet copperplate engraving, frontispiece, 250 x 170 mm. Cleaned but still a little soiled, paper rubbed between title and imprint with no loss, signs of four folds.
§ Hartley’s Observations on Man, 1791 has this frontispiece engraved by Blake -- it was also issued as a separate plate. Essick, CBI, XXII, Item #107313