Prisoner of war mail: 1916, letter from Germany with foreign censorship Emmerich and British censorship P. C. Post FREE Prisoners of War in red to Windhoek, due to before removed German franking there with 2 and 3 d postage stamps added and with cancellation adjusted railway mail oval cancel -WINDHOEK 10.4.16 forwarded, Unnoticed More unavoidable traces very meaningful piece

Postal service traffic between Mother country and occupied protectorate over the \"German benevolent society Stockholm\", 1918, with Berlin sender mailed letter via Stockholm 4.2.18, with Swedish 20 Ö stamp to Swakopmund, of the South African foreign censorship in Capetown with violet \"C. 4. \" cancel expertized and withheld with large violet one-line cancel DETAINED, subsequently further with reverse cancellation adjusted railway mail oval cancel SWAKOPMUND 10.2.19, over after a year