Caption:
William John, Earl of Ancrum. John Dixon (Irish, c. 1740-1811); after Sawrey Gilpin (English, 1733-1807) and Richard Cosway (English, 1742-1821); published by John Boydell (English, 1719-1804) and John Dixon. Date: 1773. Dimensions: 513 x 606 mm (image); 543 x 606 mm (plate); 575 x 692 mm (sheet). Mezzotint in black on ivory laid paper, discolored to tan. Origin: Ireland.