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1964 D Nickel Delamination Crack

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southsav's Avatar
2223 Posts
 Posted 11/01/2023  09:46 am Show Profile   Bookmark this topic Add southsav to your friends list Get a Link to this Message Number of Subscribers
Wanting to confirm my diagnosis on this.

Is this a delamination crack travelling around the obverse field/rim? Thanks


1964-D-Nickel-Delamination-Crack
1964-D-Nickel-Delamination-Crack
1964-D-Nickel-Delamination-Crack
1964-D-Nickel-Delamination-Crack
1964-D-Nickel-Delamination-Crack
1964-D-Nickel-Delamination-Crack
1964-D-Nickel-Delamination-Crack
1964-D-Nickel-Delamination-Crack
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CoinHI's Avatar
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2731 Posts
 Posted 11/01/2023  10:59 am  Show Profile   Bookmark this reply Add CoinHI to your friends list Get a Link to this Reply
What's the weight? I'm thinking foldover struck through Rim Fin or something like that.
"Pride is yoked with callous behavior, as humility is with compassion." St. Gregory Palamas

Top Finds - 1969-S 1c FS-101 http://goccf.com/t/477681 1976 D WQ FS-101 http://goccf.com/t/382777 - 1968 D 1c FS-801 http://goccf.com/t/422254
Cool clashed dies - 1972 D 1c http://goccf.com/t/429855&SearchTerms=CCL
Struck-In Rim Burr - 1969 S 1c http://goccf.com/t/425587&SearchTerms=burr
Floating (Type II) Counterclash - 1978 D 1c http://goccf.com/t/434991&SearchTerms=1978


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John1's Avatar
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56855 Posts
 Posted 11/01/2023  11:45 am  Show Profile   Bookmark this reply Add John1 to your friends list Get a Link to this Reply
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Errers and Varietys's Avatar
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73987 Posts
 Posted 11/01/2023  12:37 pm  Show Profile   Bookmark this reply Add Errers and Varietys to your friends list Get a Link to this Reply
Is it raised?
Errers and Varietys.
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 Posted 11/01/2023  1:31 pm  Show Profile   Bookmark this reply Add nick10 to your friends list Get a Link to this Reply
we see that from time to time, I've never been clear about the process by which it occurs
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southsav's Avatar
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 Posted 11/01/2023  3:00 pm  Show Profile   Bookmark this reply Add southsav to your friends list Get a Link to this Reply
It's 5.01g.

Some parts appear raised and have the appearance of peeling. I reviewed https://www.error-ref.com/ and the best I could come up with is delamination crack. It fits the description very well.

It is not a magician coin, nor an attempt to tamper with, and not PMD.

The delam/crack is irregular and flakey with jagged edges and almost goes around the entire circumference of the obverse, some portions closer to the rim.

Hope this helps you help me. Thanks
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Cujohn's Avatar
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 Posted 11/01/2023  5:38 pm  Show Profile   Bookmark this reply Add Cujohn to your friends list Get a Link to this Reply

Quote:
we see that from time to time, I've never been clear about the process by which it occurs
There is a name for it, I just can't remember what it is.
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 Posted 11/01/2023  6:46 pm  Show Profile   Bookmark this reply Add nick10 to your friends list Get a Link to this Reply
a Rim Fin folded over is sometimes mentioned

I've had trouble envisioning how a Rim Fin would take on the shape of the devices. Is the fin suppoed to be thin, sort of like alumnium foil? In that case, I could see the foil being beaten into the coin via circulation.
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Dearborn's Avatar
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southsav's Avatar
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 Posted 11/02/2023  10:55 pm  Show Profile   Bookmark this reply Add southsav to your friends list Get a Link to this Reply
For discussion and learning, the rim is normal and not distorted.

The cracks are confined to the field adjacent or approaching the rim. There is at least 3 locations of missing metal.

IMHO I don't see/understand how this could possibly be a struck over folded Rim Fin.

Is the thinking a Rim Fin existed pre-strike, it somehow got folded over, then the strike occurred? Would the fin be inconsistently not fully the entire circumference of the planchet?

I'm just trying to imagine/understand the process.

Thanks for pitching in with your knowledge and thoughts.
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John1's Avatar
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56855 Posts
 Posted 11/03/2023  04:09 am  Show Profile   Bookmark this reply Add John1 to your friends list Get a Link to this Reply
I think the Rim Fin gets folded over during counting/wrapping or in circulation...if that is what it is.
John1
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