Help what type of coin error

What type of coin error did I find and any idea of the value

 

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Looks like someone hit it with a hammer.

 

Looks like zinc rot.

 

Smooshed by an external force by the way the material juts out at the sides.

 

pmd

 

Peeled with a knife.

 

what's the reverse look like?

 

Airbags deploy!

 

That's the kind of error that happens in my shop when i do something wrong and then take it out on a poor defenseless Lincoln.

 

looks like pmd