"ΑΘΗΝΑΙ*10.XII.34" first flight cover to "BRISBANE*21.DEC.34" by IA/QA, commemorative canc. "10 ΔΕΚΕΜΒΡΙΟΥ 1934*ΠΡΩΤΗ ΠΤΗΣΙΣ ΕΛΛΑΔΟΣ-ΑΥΣΤΡΑΛΙΑΣ" on official cover, only 12 flown. (Hellas FF 349Ia).