Not sure about lamination - looks more like something fell into the mold and was stamped (pressed for those who remember) into the coin surface! Can't tell by the pic if it is INTO the field or UP on the field
It may be damage. If it is, yes details grade. It also might be a struck thru error. Can we see the entire coin?
It just looks funny for a lam, Sean. Doesn't it look like you're looking down at an island group? Lams don't look like that, with islands next to it. I'll guess Leyte, Philippines.
They'll give it a square grade, as it's a GSA. Is that in an "Uncirculated Silver Dollar" slab, or just "Silver Dollar?"
Looks like it might be a strikethrough? How deep is it? I see soft edges and no displaced metal and I wonder if those could be retained planchet striations I'm seeing inside the area? Very interesting for sure
I wonder if those striations aren't from struck through fabric. Also looks like some of whatever it is, is still attached to the coin.
Possibly a struck through but that line leading to the peeling looks more like PMD, possibly a bad rub/hit to the coin while in bagged transit? Just guessing.
It's struck through something, which won't prevent it from grading, and I don't see any other issues that would prevent it from grading. A peeled lamination has a different look to it, as there are usually planchet impurities that caused the lamination in the first place. If this were a lamination, it would still grade, because it's not very big.