18.10.1936. Athens - Oshogbo (Nigeria). First Flight by Imperial Airways. London - Africa Line. Air cover with depart. canc. "ΑΘΗΝΑΙ - ΑΠΟΣΤΟΛΗ ΑΕΡΟΠΟΡΙΚΩΣ / 18.Χ.36" & arr. "OSHOGBO / NIGERIA / 22 OC 36". Airmail was delivered to destination by the Southbound West Africa feeder service. Only 20 covers flown. (Hellas 378D).