Ottoman Turkey: 1918 registered cover used in Istanbul addressed to Cibali franked with PTT overprinted on 10pa printed matter, 1pi and 2pi foreign use overprinted stamps of 1901, 1909 and 1910 for registered a.r. letter rate tied by KADIKÖY 1 (A&P type 10) datestamp and Kadiköy Registration hand cachet. Reverse transit and part arrival cds’s. Stamps catalogue approximately £90. On cover is very rare. Isfila 777, 833, 839
