By “golden” I mean that it is made (or it seems made of a metal of golden colour).
I have seen people showing "golden" German 1 Eurocent , but also other coins that are usually in a copper colour.
For what I knows , they are the result of some electrolytic job.
Do someone is aware of real errors, i.e., coins minted using the wrong metal?
In general, where it is possible to find affidable info on erros on Euro coins?
Thanks in advance to any one