WW2 German gas cape pouch

Original WW2 German gas cape pouch that was used with members that fought in Africa and Italy.
After they retreated the pouches came also in France, Germany and all other western European countries.
It is the pouch only, so no cape in it.
There is no date present, but on the inside of the lid there is a stamp that reads “GDN”

Markings: mentioned in text
Condition: mint for all present.