Greek occupation of N.Epirus: Registered cover franked with 6 values overprinted "Β.ΗΠΕΙΡΟΣ" Campaign stamps, cancelled "ΑΡΥΡΟΚΑΣΤΡΟΝ 27 ΜΑΡΤ.15", via "ΑΓΙΟΙ ΣΑΡΑΝΤΑ" and "ΚΕΡΚΥΡΑ (ΑΦΙΞΙΣ) 29 ΜΑΡ.15", arrival "BERLIN C 16.4.15" (Hellas 96, 98/101, 104)