M34 Feuerschutzpolizei helmet - big A stamp?

[Replace]

Hi,

I have this relic/damaged M34 feuerschutzpolizei helmet.
It has a big A stamp in the shell.
Can anyone explain this stamp?

Regards
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[Eric Zentner]

Edit wrong info not sure

[Eric Zentner]

After looking into it further I think the (A) is for the factory identification stamp for the Eisenhuttenwerk, Thale Factory.
Other marked lids from them were H, I, K and (Lion) DRP (Deutsches Reichs Patent) & may be more.
I have been wrong about the maker on the one I have had for 2 years.
Any other makers info would be great on these civil lids.

Eric

[Replace]

After looking into it further I think the (A) is for the factory identification stamp for the Eisenhuttenwerk, Thale Factory.
Other marked lids from them were H, I, K and (Lion) DRP (Deutsches Reichs Patent) & may be more.
I have been wrong about the maker on the one I have had for 2 years.
Any other makers info would be great on these civil lids.

Eric

Thanks for great answer.

Regards
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[helmet2id]

Interesting maker stamp

[BlackCat1982]

I've seen much worse relics than this one. It's all there, if not pristine its original.