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 Replies: 9 / Views: 1,212 |
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Moderator
 Canada
10463 Posts |
This oddity came across my desk recently... This is a mint state Kennedy half, and the dang thing is convex/concave. Reverse-side down, it will not sit flat on a table. There is no evidence of post-mint damage on the coin. So, after a little digging, I found this: http://www.numismaster.com/ta/numis...ticleId=7557 I think I have the same coin here as Ken Potter described in that 2009 article. Even the die cracks are the same. The die crack starts at the rim at L of HALF (DOLLAR) and runs counterclockwise all around the stars to T of UNITED. A quick search on CCF showed almost nothing... is this a common error, or a desirable error? If so, what is something like this worth? Hard to photograph a "gap" but this thing will not stack flat against another coin.  Die crack running around almost the whole coin, through the stars.     "Discovery follows discovery, each both raising and answering questions, each ending a long search, and each providing the new instruments for a new search." -- J. Robert OppenheimerContent of this post is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported License. See: http://creativecommons.org/licenses...0/deed.en_USMy eBay store
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Pillar of the Community
United States
2521 Posts |
I remember reading about those a few years ago. I can't imagine that they would be a common error.
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Pillar of the Community
 United States
6514 Posts |
The die crack where it's located makes sense with the convexity of the coin. The die cracks around the stars causing the center of the die to protrude, in turn causing the coin to be struck "cupped" like you found.
Really cool find!
Check out my counterstamped Lincoln Cent collection: http://goccf.com/t/303507 |
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Pillar of the Community
United States
1386 Posts |
Looks like it to me! Sweet find!
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Rest in Peace
United States
17900 Posts |
An excellent discovery and certainly well worth saving. Congratulations.
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Pillar of the Community
United States
8715 Posts |
Nice find!  |
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Bedrock of the Community
United States
17884 Posts |
Quote:
The die cracks around the stars causing the center of the die to protrude, in turn causing the coin to be struck "cupped" like you found. More likely the center of the reverse die is sinking making the die concave and the resulting coin slightly convex. Can't be sinking too much though, when that happens the strike in the center gets weak as well. |
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Bedrock of the Community
United States
74881 Posts |
Very nice find and congratulations! That's an awesome find
Errers and Varietys.
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Bedrock of the Community
United States
62064 Posts |
Years ago they used to have a problem with the die cracks on the centers of coins.  |
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Moderator
United States
189639 Posts |
Very interesting! |
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Replies: 9 / Views: 1,212 |
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Posted 06/04/2018 06:48 am
