Odd Lincoln

Bowl shaped.

 

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I thought I saw that on your Pam's find thread. Thats a neat one and doesn't to me look like it happened post mint.
I think it could be
Reciprocally Deformed Convexo-Concavo Dies

but I can't be positive.
https://www.error-ref.com/?s=convex

@mikediamond

 

Yes I post on my Pam’s finds and kind of get hesitant to post elsewhere lol! It is very well formed in that way. I will look that up. Thank you!!

 

Very interesting!!!!

 

Interesting line / ring / rim around the edge.

Z

 

Will be quite interesting to find out exactly what type of error it is, if it is in fact an error.

 

I took a few more pics…

 

Yes I posted a few more pics below.

 

Might it also possibly be from being held by the edge in a device while heat was applied to the reverse? Just thinking outside the box since Reciprocally Deformed Convexo-Concavo Dies seem to be extremely rare.

 

Maybe sitting on a hot plate while being waterboarded.
Drip water on top side only.
Someone test it and report back.

 

Not sure.

 

The one I have read about is a JFK half dollar.

 

Survival, if it was just between you nd I, I think that I should take some better lessons.
The Obverse shows zero damage.

 

The obverse is sunk in and the reverse is spooned. Not sure but it’s interesting.

 

There should be evidence, I am finding it hard to see that on the third side.

 

I will just add in that the reverse shows wear, from being cupped.

 

Thanks a bunch!

 

It is interesting what it does to all areas of the coin. Thanks again! I like photos lol! Can u tell?

 

Sandwiched between 2 pieces of leather a ball bearing and a washer.

Edited to add, just remembered what they call the process...A Vice Job.

 

Thanks! It’s cool… I’ll tuck it away!