1938 silver dollar corrosion,
the coin is made of Alloy: 80% silver, 20% copper.
how come silver and copper corrode or create rust?
is it because they put other Alloy?
1938 silver dollar corrosion
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Bill in Burl
- Posts: 1487
- Joined: Thu Sep 04, 2008 7:41 am
- Location: Golden Horseshoe, ONT
Re: 1938 silver dollar corrosion
It isn't rust .. has to be some other chemical reaction ... or else the coin is a fake and it has iron in it.
Bill in Burl