![img_23-4.jpg](https://gazette-eu-west2.azureedge.net/media/95623/img_23-4.jpg?width=750&height=500&mode=max&updated=09%2f25%2f2023+08%3a42%3a52)
Estimated at $8000-12,000, this 11 x 13in (27 x 33cm) chalk and gouache sketch of a man and a working horse is by Thomas Gainsborough (1727-88).
It is initialled WE and dated 1825 for the English banker and print collector William Esdaile (1758-1837) and to the mount is the monogram for the art historian Sir Robert Witt (1872-1952) who bequeathed over 3000 drawings and 20,000 prints to the Courtauld Institute of Art.
The same collection includes a John Constable (1776-1837), watercolour and sepia wash of fishing boats, bought at Sotheby’s in 1965 (estimate $5000-8000).
![img_23-3.jpg](https://gazette-eu-west2.azureedge.net/media/95622/img_23-3.jpg?width=700&height=500&mode=max&updated=09%2f25%2f2023+10%3a38%3a27)
Monogram on chalk and gouache sketch of a man and a working horse by Thomas Gainsborough, estimate $8000-12,000 at Pook & Pook.