24.11.1926. Athens - Istanbul: Fourth flight with airmail stamps to Istanbul. Cover franked with 3x20l. litho. plus 3dr. Air stamps, canc. "ΑΘΗΝΑΙ * ΑΠΟΣΤΟΛΗ * 24.ΝΟΕ.26", arr. "GALATA -5- / (date unclear)". Hellas: FF-23Aii.