Does the 89 UD Hologram effect the PSA grade?

If the 89 UD Hologram is chipped on a Griffey rookie does it hurt the grade? I think this has been mentioned here before, but I cannot find the thread. Thanks
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Also, I think there is a wrinkle to be concerned about too with that card on the reverse?
<< <i>Yes. That's what keeps alot out of PSA 10 holders
Also, I think there is a wrinkle to be concerned about too with that card on the reverse? >>
Actually, the answer is no based off of some I have seen on Ebay in PSA 10 holders. Rose City Sports had two 1989 Upper Deck Griffey PSA 10's up for auction a few months back. I was interested in them until I seen the scans of the back with part of the hologram completely missing on both PSA 10's. I do know BGS knocks these cards on surface grade if part of the hologram is missing, but from what I personally witnessed, PSA has allowed some to be graded a PSA 10 with part of the hologram missing.
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