Org. Todt armband. Original or fake?

[Gernika81]

Hi to everybody. I've just purchased this Organisation Todt armband and I'd like to know your opinions on it.The armband is quite dirty, and "Org. Todt" is writen in black. It also has a kind of stamp on the back, but it's hardly visible. The only thing that makes me suspect is the embroidery. Is it possible to be made of a shiny thread considering that it's a pre 45 example? I mean, the thread looks too new.
I've tested it if it glows under black light but it doesn't... What kind of thread was used to make the writings on this kind of armbands? Linen, cotton thread... Does the information help? Thanks!

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New pics!

[Gernika81]

No respones? Any Org. Todt expert there...?