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Copper Core Buffalo Nickel Only (one) other found

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bobrose View Drop Down
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    Posted: 05 Jan 2007 at 1:08pm
obtained this 1937 S Indian Head Nickel several years ago, along with several others.
I thru it in the junk box because I thought it was heavly corroded.
I recently looked at it thru the microscope to find that the corrosion was copper - the outer layer is nickel or whatever, and has dissappeared leaving a copper core.
Does anyone have any ideas as to what this may be?
 
Thank YouI


Edited by bobrose - 08 Jan 2007 at 2:33pm
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silverhawk View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote silverhawk Quote  Post ReplyReply Direct Link To This Post Posted: 05 Jan 2007 at 1:12pm
Strange, I think it may be coated, not a copper core...
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bobrose View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote bobrose Quote  Post ReplyReply Direct Link To This Post Posted: 08 Jan 2007 at 2:26pm
Hello Silverhawk
If you go to www.coinresource.com/guide/exhibit/copper_buffalo.htm you will find a 1920 (copper) nickel struck on a full size copper planchet of the same diameter, thickness, and wieght of a buffalo nickel. Composition is 89%CU, 8%ZN and 3%SN. Weight is 4.96 grams. This is a discovery coin, and is a unique (until now) off-metal Buffalo Nickel unreported in Breen, Judd, or Pollock. The 1920 Buffalo Nickel above is the first and only copper Nickel struck on a Full Size Copper Planchet reported to date. They were test pieces that were never melted on destroyed. The 1937s copper Nickel I listed on your site under (nickels) appears to be the same as the 1920, with the exception that the 1937s has what appears to be a clad layer that obviously did not adhear to the copper surface.
Thanks so much for your time and (your site).
bobrose
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silverhawk View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote silverhawk Quote  Post ReplyReply Direct Link To This Post Posted: 09 Jan 2007 at 2:17am
Cool. The closeup, just looked unusual to me... You should have it certified by NGC or PCGS.

Edited by silverhawk - 09 Jan 2007 at 2:17am
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codydude815 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote codydude815 Quote  Post ReplyReply Direct Link To This Post Posted: 24 Jan 2007 at 12:12pm
Very cool coin=)
The Cody has spoken
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Post Options Post Options   Thanks (0) Thanks(0)   Quote BuffaloIronTail Quote  Post ReplyReply Direct Link To This Post Posted: 17 Feb 2007 at 3:26am
It looks to me like environmental damage from being exposed to, or reacting to substances that might include being buried in the ground for a period of years.
 
The coin has a corroded surface.
 
Just my opinion.
 
Pete
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