1848, folded letter from dated "New York 27 September" endorsed "Steamer Acadia via Boston" to Geneva, with light due marking "29" and red "PAID" and matching "29" cts. handstamp, carried on Cunard's "Acadia" from Boston to Liverpool, via London with boxed "COLONIES/&c. Art 13", "13" dec. swiss charge in red ink, fine and scarce retaliatory rate cover to Switzerland