Unpaid letter sheet cover from Marseille canc. "LINEE PAQ FR. No.4*10.MAI.68" to Patras. Tax cachet "90", fr. on arrival with 10l. red-orange and 80l. carmine and canc. "ΠΑΤΡΑΙ*11.ΜΑΙΟΣ.68". On reverse transit canc. "ΑΘΗΝΑΙ" and "ΠΕΙΡΑΙΕΥΣ". (Hellas 18ba+22b).