1867 50c orange, margins all around, tied by Administracion Principal de Correos pmk with steamboat, on outer FL to La Paz, fine, without any indication of date, accompanied by 1963 and 2000 Philatelic Foundation certificates, the latter stating "genuine stamp and cancellation on a non-contemporary folded address sheet." A rare cover (YT 5) cat. €7000 (Cat No. 5) (Image)

Cat. €7000, Est.$1,000