Think about it. A cud is a break in the die involving the rim. Therefore the piece would be part of the coin with no peeling or seam. Your coin has a seam. A lamination happens when part of the struck coin splits. It has a seam like yours. Now, why do I think it might be something else? The hint is in this paragraph.
Hint: Insider, posted: "A lamination happens when part of the struck coin splits." cwart, posted: "Finned rim?" If that's what it is, what evidence on the coin do you see to base that on?
The piece in question appears to have folded over the devices of the coin. I don't see part of the E Pluribus Unum being struck through the metal.
cwart, posted: "The piece in question appears to have folded over the devices of the coin. I don't see part of the E Pluribus Unum being struck through the metal. That's exactly what I see but I'm not an expert. I don't know if a tiny part as this qualifies as a "fin." I thought fins were like a thin raised lip on the edge. That is a lot of metal in one spot.
I’m in the rim burr camp. Although I have an unlisted Jefferson cud, if it’s not listed with Cud’s on Coins, it’s likely not a cud.
IMO that's too much material to be a Finned Rim Foldover; I'm thinking more that it was a Delamination from a previous coin that was still in the Coining Chamber that was Struck-through and Retained.
I can’t recall seeing a folded rim that leaves the rim intact as it is. A fold would hide the rim where it is folded over correct? It looks like an extra piece of metal to me.