Registered airmail cover fr. with 10dr 1941 airplane ovpt in vertical pair horizontally imperforate canc. "ΑΞΙΟΥΠΟΛΙΣ*30.Ι.43", via "ΘΕΣΣΑΛΟΝΙΚΗ*1.ΙΙ.1943", arr. "ΑΘΗΝΑΙ". Opinion Drossos. EXTREMELY RARE IN USED PAIR. (Hellas A42b+A55+586).