How did this card grade a PSA 9?

[KLARNOLD]

I was searching ebay and came across item # 372455524584, a 2001 Bowman Albert Pujols auto PSA 9. I asked the seller if the smudge in lower right corner was on the case or card and he said it was on the card. Why would it grade a PSA 9 with the smudge?

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[Letch77]

Is it maybe that effect that happens when a case is too tight and presses on the card?

 

[BunchOBull]

Yeah, that wet look is caused by the uneven surface of a glossy card pressing against a plastic case.

 

[KLARNOLD]

Yeah, that wet look is caused by the uneven surface of a glossy card pressing against a plastic case.

Probstein said it was on the card. I hope it is not a Pujols smudge

 

[BunchOBull]

Probstein said it was on the card. I hope it is not a Pujols smudge

I'm almost positive it's not on the card...it looks like it is, but I think he's mistaken. I can recreate the look with my own cards. If it's not so tight in the holder that the card can't be shifted, I'd bet, the smudge would look different with a good shake.