During late May 1941, free postal privileges for mail weighing up to 250gms, were given to Belgian nationals while serving in the German armed forces. A fee of 3 Francs was charged in Belgium for mail weighing 250 to 1000gms. A 20Rpf for mail posted by Germans nationals.

The Belgian government issued a number of Propaganda labels for the Flemish Legion.

On 9 August 1943 six miniature sheets of four were printed in serial numbered identifying the following emperors and an empress of the Teutonic Holy Roman Empire and Hapsburg Dynasty:

5 Francs - Blue-green - Otto the Great

10 Francs - Orange-red - Joseph II of Austria

15 Francs - Black-brown - Maria Theresia of Austria

20 Francs - Lilac-pink - Maximilian of Austria

50 Francs - Orange-brown - Charlemagne

100 Francs - Blue - Charles V

Each label has either shields with crests of the monarchs depicted or shields inscribed "Wapen SS." All labels bear the inscription "SS Feldpost," and the names of the rulers are printed in Flemish and German. A total of 30,000 complete sets, were issued. They illustrate a facet of SS ideology, an interest of many SS leaders in medieval history, especially in the low countries.

Here a complete set in mint condition. Very rare.