I would say PSD. If it had been a pre-strike lamination I would expect the side with the lamination to show some texturing of the surface. And with either a tapered planchet or an lamination of that size I would expect it to show some kind of weakness where it crosses the rim. This isn't showing that.
I'm with the PMD crowd on this one. There is a semicircle of the field below the denticles that comes to a point in the corners plus there is some displaced metal that to me gives the appearance of being removed intentionally. Also on the reverse there is what appears as being tool marks where the copy was removed. Bottom line is that it doesn't matter how it was removed, if it wasn't done at the mint, it's not an error.
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