Ottoman Turkey: 1913 (4 June). Ottoman Red Crescent Society imprinted registered cover to International Red Cross Agency Belgrade, Serbia franked with 10pa, 20pa and 2pi of 1913 New Post Office issue tied by Tophane datestamps, next day Stamboul Depart and 26 June Belgrade arrival cds’s. Very few Balkan War Red Crescent & Red Cross correspondence recorded. Rare.
