Letter sheet cover franked with 20l. blue in strip of 3 (with faults) canc. "ΜΕΣΟΛΟΓΓΙΟΝ*22.ΣΕΠΤ.67" via "ΠΑΤΡΑΙ*25 ΣΕΠΤ. 67" and arr. "TRIEST". Cachet "Π.Ε.Δ." in red. Fine. (Hellas 19b).