Oil on canvas, 124.5cm by 99cm.
Inscribed on the reverse: painted by B. Van der Gucht 1793 from an Original picture of The Dutchess of Montrose painted in 1740 by A. Soldi. The original painting is at Winton Castle, East Lothian.
Lucy Manners was the daughter of the 2nd Duke of Rutland, her great aunt Lady Frances Manners was the mother of the 5th Earl of Exeter (1648-1700).