Silver toned copper
Zoins
Posts: 34,359 ✭✭✭✭✭
First time I've seen color like this. PR66BN. Any others?
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Zoins
Posts: 34,359 ✭✭✭✭✭
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PF65BN
MS64BN
MS65RB
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I have seen this 'silver' shade on copper here on the forum before...never encountered it at a show or shop. I have no idea what causes such change....Probably a copper expert could explain it more...Cheers, RickO
This one kind of fits here as well:
Copper cents can turn silver if heated.
Used to work for a company that made stainless steel cookware with a copper plated bottom. Occasionally we would get a complaint from a consumer that the copper plating wore off after the first few uses (it couldn't). The returned pan always showed a silver colored heat tint. Sometimes, small areas were very close to the color of the stainless steel.