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 ReardonMember
Posts: 46
Joined: 05 Mar 2007
Location: Rochester, NY
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 Posted: Sun Mar 25, 2007 9:43 am |
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 murphySenior Member
Posts: 573
Joined: 02 Sep 2004
Location: New Albany, Indiana USA
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| Posted: Sun Mar 25, 2007 10:20 am |
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Time, oil from fingers, water - any or all combinations of these. But I would think there's something in the metal composition that encourages colors to form.
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~ Murph ~
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 Bob PSite Admin
Posts: 3482
Joined: 01 Jul 2003
Location: Niceville, Florida
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| Posted: Sun Mar 25, 2007 2:11 pm |
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Jeff,
That nice rich chocolate color is just a form of oxidation to the copper. As Murph stated, other things such as time and wear also contribute to the color change. Whatever you do, do not remove this patina as it will decrease the value of your coin.
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Bob Piazza
Site Admin/Moderator
Attributer/Photographer
bobp@coppercoins.com
mustbebob1@gmail.com
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 coopExpert Member
Posts: 3402
Joined: 17 Sep 2003
Location: Arizona
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| Posted: Sun Mar 25, 2007 4:31 pm |
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I've found just a few in circulation, but they are very rare. I save them regardless of date, but because of the color. I prefer BU coins, but they look so different you can't help but see them in a roll.
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Richard S. Cooper
You may be only one person in the world, but you may also be the world to one person.
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