I only dabble in Kepis, and Bob C is the authority on these.
I would expect an earlier white RZM tag on this hat, and I have seen fakes of this type tag before.
I would also expect the grommets to be the same color as the Truppenfarbe.
Lets see what Bob says.
NEC SOLI CEDIT
I totally agree with Stonemint. A piece of 4th Reich junk to be avoided. The shape of the kepi is slightly off and the Gruppe blue color top material does not appear to be correct
LIFE'S LOSERS NEVER LEARN FROM THE ERROR OF THEIR WAYS.