Cover from England mailed unpaid to Patras. Boxed "F.54" in France (for a GB-Greece letter via France, price 100 lepta for 7gr), transit postmarks "ANGL AMB. CALAIS*2.JANV.68" and "ΚΕΡΚΥΡΑ*25.ΔΕΚΕ.68", fr. on arrival with 2x80l carmine, 40l grey-mauve on blue and 20l blue to pay the 2x100 lepta double weight plus 20l Greek rate, canc. "ΠΑΤΡΑΙ*28.ΔΕΚΕ.68". Fine. (Hellas 22b+28a+19b).