12.12.1933. Aero Espresso Italiana air mail labels "ΑΕΡΟΠΟΡΙΚΩΣ / PAR AVION / Διά τής ΑΕΡΟ ΕΣΠΡΕΣΣΟ ΙΤΑΛΙΑΝΑ", in blue colour, left & right border of the sheet imperforated, wrongly cut vertically sheet of 20 with perforation in the middle, probably an essay (ONLY 4 EXIST). Very Rare. The only label printed by the Air company IN ATHENS and distributed through the Post Office to the public for use on air mail flown by AEI. (Hellas AL30a).