Annealing error?

Is this an annealing error

 

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Damaged planchet?

 

Looks like occluded gas, but better to get input from the error specialists.

 

Doesn't this happen if the coin has been in a fire? I think I've seen that before.

 

It's just a damaged coin.

 

Stop me if I am wrong, but I don't think clad/sandwich coins get annealed.

 

I think they do, I believe that is part of how after strike partial missing clads form.

 

The annealing process is actually to soften the planchet, for striking .

 

From my collection -

 

PSD - Post Strike Damage
The damage on your Quarter occurred because of intense heat applied to it. The annealing process is not hot enough to cause it.

 

Partial missing clad is what it is... missing. Just an area on the sheet that was punched for blank planchets that was not completely Claded. Probably at the edge or the end of the sheet.
From my collection -

 

Here is a good question for all..
Is Sacagawea $1.00 Clad or not?
From my collection -

 

Here's one I own .

 

They're clad!

 

I stand corrected

 

The first coin posted here is a
heated coin - done by someone,
after the coin was in circulation.

 

I have a couple quarters just like that i called them pizza pie quarters lol

 

Thanks paddy man your always such a huge help to me even after our initial quarel i do appreciate that i really do thank you