Cuba. Prephilately. Cover dated in Havana, Cuba 11 September 1839, sent by ship "SALVADOR" via New Orleans to New York, then by Transatlantic Steam Ship Company "LIVERPOOL" from New York 19.10.1839 to Liverpool 6.11.1839. cancellations LIVERPOOL SHIP LETTER and F 8.NO.1839 used in London. Nice transatlantic mail.