Borlinghaus stamp handbook of the German army postal service in the first world war 1914-18 volume 2: fieldpost cancel, 1st issue 2006, catalogue with 612 sides, many thousands illustrations the cancel, size A5, bound, bound in boards, from the content: German fieldpost cancel 1914-18, centered cancellation and camouflage number postmark, army postal service the military mission in the Turkey, army postal service German Southwest Africa and German East Africa, Boundary protection east 1919-1920.