1 PFENNIG 1970 G

4 posts
HI,
I have 1 pfennig 1970 G in different color. Color is as 5 or 10 pfennig (brass clad steel), bur dimensions and weight are as any other usual 1 pfennig. It was in circulation.
I am interesting is it mint mistake - mistake in material, or it is fake, or some token.

Thanks in advance.
Zago
It's a common school experiment, zinc solution and hot coins, reheated under a flame to make a brass surface.
In the past I made things like that when I was bored in the lab.
Or it could be gilded, which is many times less likely...
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