Ottoman Military: 1916 (September). 20pa postal stationery envelope overprinted six pointed star&crescent additionally franked with 20pa and 1pi pictorials for registered letter rate to Istanbul tied by Sahra Postasi 29(Field Post Office) negative seal and struck by Istanbul no.35 censor cachet on arrival. Reverse 15 September Istanbul Censor and Istanbul Mevrude arrival cds’s as well as red rosette label. It seems stuck on censorship and released with further Istanbul Mevrude 14 November datestamp. Manuscript on top 2. Kafkas Kolordu 24. Seyyar Hastahane(2nd Caucasus Army Corps 24th Field Hospital). FPO29 used in Eastern Front.
