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 Replies: 16 / Views: 23,349 |
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Bedrock of the Community
United States
73984 Posts |
 To CCF! I'm not seeing copper streaks at all. Errers and Varietys.
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New Member
 United States
6 Posts |
Thanks! I literally joined 20 minutes ago.what is CCF?
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New Member
United States
6 Posts |
OMG! Coin community family! Thanks again.
Edited by Arene
10/22/2024 11:15 pm
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New Member
United States
6 Posts |
I know, hard to see in the photos, but these streaks are the exact color of the copper on the clad rim and are all over the obverse ( when magnified.can only see with the naked eye once you know they are there).  |
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Pillar of the Community
 United States
1034 Posts |
I see it. I wonder if the clad layer is just super thin in that area that makes the copper show through?
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Pillar of the Community
United States
6495 Posts |
It seems more likely that there is a bit of copper in the cupronickel surface. It's composed of 75% copper, 25% nickel, after all. Another possibility is that it was exposed to acid or another chemical that brought copper to the surface, selectively removed the nickel, or stained the metal a coppery color.
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Bedrock of the Community
 United States
10514 Posts |
I like the poor alloy mix in the clad layer explanation.
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Moderator
United States
56855 Posts |
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Moderator
United States
15414 Posts |
to the CCF |
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Moderator
United States
95517 Posts |
to the Community  The cladding is comprised of 75% copper, and sometimes under certain conditions, the copper can migrate to the surface. |
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Moderator
United States
188189 Posts |
to the Community! |
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Pillar of the Community
United States
781 Posts |
to the CCF. |
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Pillar of the Community
United States
3535 Posts |
Alloy mix of clad layer isn't perfect on this coin. Shows light areas of copper color. It happens.
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New Member
United States
6 Posts |
Thanks everyone for the warm welcome! And also for the advice on photography.I was able to use it to get the attached photo. Update.I just received a 2 roll set of these 2024 Kennedy and sure enough , the P mints are full of these copper streaks! None on the D mints.  |
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Valued Member
United States
114 Posts |
My bet is that in a pile of planchets the edge of one rubbed against the flat surface of another leaving a streak in the same way as when using a gold test stone.
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Replies: 16 / Views: 23,349 |
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First Page
Posted 10/22/2024 11:10 pm
