1874, Coat of arms with overprint "CONTRA SELLO" 2r. green tied by blue framed "FRANCO" to envelope to Cincinnati with blue "Administracion de Correos / Salvador 6 ABRIL 1877" cachet alongside, endorsed "via Panama", upon arrival in New York "NEW-YORK DUE 10 CTS APR 26" struck, reverse with Cincinatti receiver, a fine and rare cover
