1770. Line engraving. 1770. 590mm by 390mm (platemark). 'Queen Charlotte, Queen of Great Britain and the Princess Royal. Engraved from an Original Picture in the Possession of His Majesty'. William Wynne Ryland (1732-1783) was a Welsh engraver who worked in London.Francis Cotes (1726-1770) was a fashionable English portrait painter.Top left.....