Entire letter canc. "ΛΕΥΚΑΣ*29.ΝΟΕ.64" in blue, via "ΑΘΗΝΑΙ*3.ΔΕΚΕ.64" to Patras. On arrival fr. with 20l. blue paying the Greek postage and canc. "ΠΑΤΡΑΙ*5.ΔΕΚΕ.64". Very fine and scarce. (Hellas 19b).