German WH Mapcard of 'Grouw' Holland

In a very good condition a German Color Mapcard of the Dutch area of 'Grouw' Holland.
The mapcard comes in scale 1:25 000, has a size of approx.50x60cm and is nicely marked: 'Sonderausgabe IV.1940 ,nur für den Dienstgebrauch!'

Code: 57769