I believe that a 'lamination error' would suggest that the coin has a plating, or coating; those, just like all other period "silver" coins are pure nickle, with no plating or coating to speak of.
Please understand that I mean no offense by this, but those pictures are to lousy for me to try to guess what I'm looking at. I would suggest looking at how any perceived "error" might appear while passing through a detail such as a letter - if it looks like the detail/letter has been smeared, it's likely some sort of PMD (Post Mint Damage).
While attempting better pictures I discovered the edge of what looked like a lamination was clear. So PMD varnish or another clear substance on parts of both sides of the coin.
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