Document reffers to mail dispatch to Triest with Austrian steamer, dated "Αθήναι, την 24 Σεπτεμβρ 1843". Cachet "ΓΕΝ.ΔΙΕΥΘΥΝΣΙΣ ΤΩΝ ΤΑΧΥΔΡΟΜΕΙΩΝ", signed by Th.Leonardos, Greek P.O. assistant manager.