Sample 1:


Early WW2 style.
Insignia:


These pictures were taken before the disk was attached to the helmet by passing the prong through the holes in the front.
Sample 2:




Late WW2 or early post-war rank paint.
Sample 3: Belgian M31



Belgian contract. Painted black for Gendarmes (police).
Badge:

Sides:


Top:

Liner:


