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Mint Error or Damage?
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7 posts in this topic

I would say that is post mint damage from something (one could only venture a guess as to what). I do not think in the minting process that a coin could get a "start" of a curved clip and then the blanking machinery or dies said "OOPS!! OH NO! STOP!" The machine would have completed the clip.

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"I would say that is post mint damage from something (one could only venture a guess as to what). I do not think in the minting process that a coin could get a "start" of a curved clip and then the blanking machinery or dies said "OOPS!! OH NO! STOP!" The machine would have completed the clip. "

 

Yeah, I got stuck on trying to figure out what could have done the damage.

 

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   Welcome to the NGC chat board.

    Error-ref.com references and shows examples of an unusual type of planchet error called an "incomplete punch" or "incomplete clip". https://www.error-ref.com/incomplete-punch/   The coin posted here does not seem to meet all of the criteria, such as that "[o]n both faces, the surface of the coin should be undistorted on either side of the punch mark."  It is most likely post-mint damage. However, you may wish to compare this coin to the photos and list of criteria on the referenced page.

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On 5/30/2023 at 10:23 PM, Sandon said:

   Welcome to the NGC chat board.

    Error-ref.com references and shows examples of an unusual type of planchet error called an "incomplete punch" or "incomplete clip". https://www.error-ref.com/incomplete-punch/   

As I was reading the op's post I was thinking there might be a shot it was an incomplete punch planchet as it does have that look.  I would take a closer look at this and carefully go through the criteria on the referenced site as they are pretty rare.

[One negative is that it doesn't seem like there are the same or similar marks on both sides.]

Edited by EagleRJO
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On 5/30/2023 at 11:26 PM, EagleRJO said:

As I was reading the op's post I was thinking there might be a shot it was an incomplete punch planchet as it does have that look.  I would take a closer look at this and carefully go through the criteria on the referenced site as they are pretty rare.

Nice find Eagle and I would say a possibility but I think a incomplete punch has marks on both sides. On this coin the step has a dent, the rim is pushed away a bit, and the obverse shows some what of a impact on IN GOD WE TRUST. I don't think that would happen in the chamber and that makes me think the coin is not flat and is PMD. Just my observation without looking at it with a loupe. 

Edited by J P M
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