This looks like a Grease Filled Die strike to me. It is possible to have a very shallow lamination on the clad layer of a coin, but it looks a lot different. The depth of the area in question is deeper than the clad layer is thick. I also see what looks like damage on the coin.
Do you know the weight of the coin?
Edit: Is the area of the anomaly raised or incuse. I thought it was incuse from the images, but the other member's answers make me think otherwise.
ANA ID: 3203813 - CONECA ID: N-5637 Clean a coin that may be worth collecting? Please DON'T! When in doubt, leave it dirty!!
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