DKW NZ 350

Hello,
i have a DKW RT 125 n.A. from 1943, but i am searching now for nearly 3 years for the correct fork for this bike with iron spring.
Does anybody have such a fork for me or knows anyone wehre i could get it?
If anyone can help me, please make me an offer.

thanks

it is so much big problem now days.... but be happyer, than people who cant find war type filter for RT 125