3rd Reich Kriegsmarine Monatskarten Sudatlantischen Ozean

In an excellent condition KM monthy sea charts 1942-43 These charts were highly secured and you needed a special stamp pass to be allowed to investigate them. These are 1942-43 monthly sea charts from the South Atlantic ocean for the Oberkommando der Kriegsmarine. The book is intact and complete. The book is large measuring 45 x 65cm and is about 1.5 kilo in weight