Looks like a "big berry" aged steel reproduction. Please wait for opinions from other forum members.
I'd rather be A "RaD Man than a Mad Man "
My opinion it is not a period piece and made post war. Could be wrong but have seen this one before in my travels. I would say no go. Ben & Markus will most likely weigh in as well.
"WWII Militaria collecting has no cure and the only medicine is to collect more" - My Opa
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No mate buckle is a well known fake, look through the fake buckle thread there should be some in there