This summer, Sotheby’s will present for sale some of the earliest views of Havana, Cuba. Painted by Dominic Serres between 1770 and 1775, the four spectacular pictures depict specific stages of the British siege and capture of the Havana in 1762. There were made either for General George Keppel, 3rd Earl of Albemarle (1724-1772) or for his brother, Admiral Augustus Keppel,…