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"Black" Pennies And Dark Brown Buffalo Nickels - Information Needed On What Happened To These

 
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Author Previous TopicReplies: 9 / Views: 617Next Topic  
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United States
10 Posts
 Posted 08/10/2022  8:20 pm Show Profile   Bookmark this topic Add Justlearning to your friends list Get a Link to this Message
Hello everyone. I hope your summer is going well. I recently came into possession of a bunch of older coins that were in flips that were pretty old as well! I have several Indian head and wheat pennies, that are blackish in color (see pic) and several V and Buffalo nickels that are dark brown color. (see pic). I am trying to understand what causes this and if there's anything I can do to make them look "normal" or should I leave it. Thanks to all in advance.









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United States
71559 Posts
 Posted 08/10/2022  8:27 pm  Show Profile   Bookmark this reply Add Coinfrog to your friends list Get a Link to this Reply
All just well worn coins, some perhaps buried at one point, but none are worth much anymore. Leave them alone.
Edited by Coinfrog
08/11/2022 11:22 am
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Canada
16232 Posts
 Posted 08/10/2022  8:32 pm  Show Profile   Bookmark this reply Add JimmyD to your friends list Get a Link to this Reply
Environmental toning, corrosion, being buried in acidic soil are just some of the
things that can change the colour and appearance of a coin. It would be
considered damage to the coins.
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Australia
14643 Posts
 Posted 08/11/2022  12:08 am  Show Profile   Bookmark this reply Add Sap to your friends list Get a Link to this Reply
Cupronickel coins turning greenish-brown usually happens due to environmental exposure - they've gotten buried in acidic soil, or perhaps left in a chlorinated pool or fountain for several years.

Your two coppers both look corroded. I suspect they were originally green with heavy corrosion, then someone stripped them down to bare metal chemically (with acid etc) before re-darkening them.

I suspect none of these coins will ever look like anything except a "cleaned coin" or "corroded coin".
Don't say "infinitely" when you mean "very"; otherwise, you'll have no word left when you want to talk about something really infinite. - C. S. Lewis
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2261 Posts
 Posted 08/11/2022  01:24 am  Show Profile   Bookmark this reply Add jacrispies to your friends list Get a Link to this Reply
Common toning colors and condition found on metal detecting finds.
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46461 Posts
 Posted 08/11/2022  04:39 am  Show Profile   Bookmark this reply Add John1 to your friends list Get a Link to this Reply
with all of the above.
John1
( I'm no pro, it's just my humble opinion )
Searched 6.5 +/- Million Cents Since 1971
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United States
398 Posts
 Posted 08/11/2022  11:13 am  Show Profile   Bookmark this reply Add JTCC to your friends list Get a Link to this Reply
I agree.
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United States
17910 Posts
 Posted 08/11/2022  4:09 pm  Show Profile   Bookmark this reply Add T-BOP to your friends list Get a Link to this Reply
Not much more to say than what has already been said .

In Memory of Butch L.
and Jim U. rest in peace .
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 Posted 08/12/2022  07:41 am  Show Profile   Bookmark this reply Add kenwright396 to your friends list Get a Link to this Reply
with others, Welcome to the Community!
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3402 Posts
 Posted 08/12/2022  10:04 am  Show Profile   Bookmark this reply Add Kopper Ken to your friends list Get a Link to this Reply
...were these coins found Metal Detecting?

KK
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