LEVANTE 1913 - Italian post office in Costantinopoli: 10p/5c green, 20p/10c red, 30p/15c grey and 1 piastra/30c blue on [..]
1913 - Italian post office in Costantinopoli: 10p/5c green, 20p/10c red, 30p/15c grey and 1 piastra/30c blue on local cover from "COSTANTINOPOLI-POSTE ITALIANE- 2 5 13". Superb (Sassone 8+9+10+11 - € 3.800)