Clear mapcase insert marked J.H. Kofler Jr. K.G. 1941

Clear mapcase insert in good used condition. These where issued with map cases and used to keep maps dry in the rain and folded on the right place. These where also used to draw on to the smooth transparent surface to keep the maps unmarked. This example is nicely marked J.H. Kofler Jr., Bad Homburg. K.G. 1941.