Commercial cover franked with 25 lep./5 ct. in pair "ΕΛΛΗΝΙΚΗ ΔΙΟΙΚΗΣΙΣ" and cancelled with "ΕΛΛΗΝ. ΤΑΧΥΔΡΟΜΕΙΟΝ ΚΑΒΑΛΛΑΣ 5/18-VIII-13" to Siena-Italy. Opinion by Peter Holcombe 1993. RR! (Hellas 7)
1913 "ΕΛΛΗΝΙΚΗ ΔΙΟΙΚΗΣΙΣ" surcharge on Bulgarian stamps, 2 x 10l/15ct. and 25l/5ct. in pair used on fragment, pair, one with "1" instead of "Ι" in "ΕΛΛΗΝΙΚΗ". Very fine and rare. (Hellas 3+7b).
