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Brake Through Color Cycle On Ike Clads

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Domain555's Avatar
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 Posted 02/21/2014  4:19 pm Show Profile   Bookmark this topic Add Domain555 to your friends list Get a Link to this Message Number of Subscribers
Copper â€" The life cycle you're most typical to see is orange to reddish-brown to full brown to nearly black.

I collect Modern error coins, and many times It is confusing on the ordinary blackish or brownish gunk on a coin, and maybe a major brake through.

I have dropped more than 1 coin in the bye-bye bucket, when I could have studied it more closely.

Thoughts?
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ASLAN TVorlon's Avatar
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 Posted 02/21/2014  5:11 pm  Show Profile   Bookmark this reply Add ASLAN TVorlon to your friends list Get a Link to this Reply
Not sure how a clad IKE takes on the copper toning color. I have often wondered about the difference between copper-nickel and cupronickel, I've seen this distinction on some coins in Krause. One year copper-nickel, the next cupronickel. I thought the clad surfaces on Ike's and other post 1965 US coins was pure nickel, is it part copper too?

These British half pennies show the copper toning you mentioned thou.

Left to right they are...

Victoria 1900 - nearly black
Edward VIII 1903 - orange to reddish-brown
George V 1935 - full brown
George VI 1938 - full brown
Elizabeth II 1967 - coppery-orange-ish
Brake-Through-Color-Cycle-On-Ike-Clads
Brake-Through-Color-Cycle-On-Ike-Clads


I don't want to seem like I'm hi-jacking this thread but I keep forgetting to post this image on the right day for 'How far back can we go? Second Edition!' plus they are purdy
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Domain555's Avatar
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 Posted 02/21/2014  5:18 pm  Show Profile   Bookmark this reply Add Domain555 to your friends list Get a Link to this Reply
Aslan.....


Quote:
I don't want to seem like I'm hi-jacking this thread but I keep forgetting to post this image on the right day for...


I personally do not feel you are hi-jacking.

I welcome your pictures, and your contribution to the subject.

Your post is spot on target.

Not too sure about the content of both the inter and outer layers.

Thanks again.
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ASLAN TVorlon's Avatar
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 Posted 02/21/2014  5:24 pm  Show Profile   Bookmark this reply Add ASLAN TVorlon to your friends list Get a Link to this Reply

Quote:
Your post is spot on target.


Thanks, that is exactly what I thought when I read the copper life cycle it explains the tones in the picture perfectly, that Vickie is totally black and in fine shape too.
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Domain555's Avatar
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 Posted 02/21/2014  8:20 pm  Show Profile   Bookmark this reply Add Domain555 to your friends list Get a Link to this Reply
Aslan....


Quote:
I don't want to seem like I'm hi-jacking this thread but I keep forgetting to post this image on the right day for .....


You are not hi-jacking IMHO

As I said I welcome your great pictures.

Spot on the subject.
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BStrauss3's Avatar
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 Posted 02/21/2014  9:00 pm  Show Profile   Bookmark this reply Add BStrauss3 to your friends list Get a Link to this Reply

Quote:
I thought the clad surfaces on Ike's and other post 1965 US coins was pure nickel, is it part copper too?


Yes.

http://www.usmint.gov/about_the_min...ecifications

Mint calls it Cupronickel - 8.33% Ni Balance Cu, but that is an average (per Wikipedia) composed of:

  • outer layers of 75.0% copper 25.0% nickel

  • core of 100% copper


In all giving the 91.67% copper, 8.33% nickel

-----Burton
50+ year / Life / Emeritus ANA member (joined 12/1/1973)
Life member: Numismatics International, CONECA
Member: TNA, FtWCC, NETCC, EveryCountry (online) coin club
Owned by three cats and a wife of 40+ years (joined 1983)

Author: 3rd Edition of the Sample Slabs book, https://www.sampleslabs.info/
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