Quote:
Originally Posted by bobbyw8469
I believe the holder damages the card stock and PSA always returns them as (ALTERED STOCK).
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I did some quick research after you told me about this and it seems like PSA considers it altered stock because the pressure from the screw down holder flattens out the cardboard stock which they consider altered. Hopefully since this is more of a paper stock and not a cardboard stock it won't be flattened out by the screw-down.