5, 1847 1sh Pale green, cut-to-shape single tied on envelope addressed to "The Honourable Franklin Pierce/ President of the United States/ Washington DC" by diamond grid "107" cancel of Castlebar (County Mayo, Ireland) with an accompanying JY 19 1855 cancel on back side along with a couple of British transits, light and partially struck US "PAID" exchange and "5 Cents" markings on address side, some light edge wear with a couple light corner bends, fine and scarce use from Ireland to the sitting US President