Bernd,

I suspect you are right. I think most of these Werkschutz uniforms were unique to the individual company with general similarities. Here is the "standard" Werkschutz summer tunic in salt and pepper grey. This one is for an officer.

Werkschutz_tunic_side.JPG (32.1 KB, 90 downloads)

"You can't please everyone, so you've got to please yourself." Ricky Nelson