Nederlandse Landwacht, Nederlandse Landstorm and Frontzorg Nederland (3 organisations active in protecting infrastructure, guarding NSB members, propagating fieldpost service), approx. 20 covers including registered, rare Frontzorg is Plicht vignets (in sheet and on cover), NSB stationery, rare postmarks (Gren. Rgt.1Landstorm Nederland, Waffen-SS Landstorm Niederlande, Waffen-SS Landwacht Niederlande, Frontzorg N.S.B. Maastricht) - scarce material in folder
