error or rust under nickel [solved]

4 posts
hello I have 2006y Rumunia 10 bani, is here an extra aloy or it is a rust under nickel?
Says it's nickel plated steel https://en.numista.com/catalogue/pieces4101.html
I now that it is nickel plated steel, but what is this?
Quote: "Bropniukas"​I now that it is nickel plated steel, but what is this?
​That is the steel rusting under the nickel layer.
Status changed to Solved (Bropniukas, 22 Jan 2019, 14:41)

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