Sweden. Foreign-related cover. Madeira. Unpaid letter dated "Gothenburg April 19th 1851" forwarded as ship letter by the paddle steamer "Courier" to Hull where cancelled HULL SHIP LETTER B 22.AP.1851. Further transportation to the forwarding agent Johanson & Sons in London, via Southampton and by the RMSNCo steamer "Thai" to Funchal. Postage due 480 (reis). Very scarce and interesting item sent to Africa. Ex. Nilsson.