Britain. Prephilately. Letter dated "London 3 June 1840", sent by the Great Western Steamship Company steamer "GREAT WESTERN" from Bristol 4.6.40 to New York 18.6.1840. Cancellations PAID LS 3.JU.1840, PAID SHIP LETTER LONDON 3.JU.1840 and NEW YORK SHIP 19.JUN.