Help with Deutsches Schutzwall-Ehrenzeichen /West Wall medal

[Geoff Ward]

Hello All, I was hoping to get some opinions of what maker produced this medal it appears to be a bit higher quality than some of the later versions I have seen but I can find no makers mark on the ribbon ring?? Any thoughts, comments, or opinions Appreciated

Geoff

[rbminis]

That might be a tough one Geoff.
This example has quite a bit more detail in the grass area than either of my examples.
It is an original though.
Ralph.