Important paintings of the Siege of Havana by Dominic Serres for the Keppel (Albemarle) family are coming up for sale at Sotheby’s in July.
http://www.sothebys.com/en/news-video/slideshows/2016/a-closer-look–4-views-of-havana.html
Dominic Serres, The Taking of the Havana by British Forces under the Command of the Earl of Albemarle, 14 August 1762. Estimate £800,000–1,200,000.