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					Originally Posted by Peter_Spaeth  I have bought a few ungraded modern cards and am inclined to keep them that way.  I like the look of the one-screw screwdown holders (recessed) better than the old standby toploader and penny sleeve, but are these safe for long-term storage, could the plastic eventually adhere to the card? even though the area for the card is recessed? Thanks. | 
	
 Jchcollins has some experience with these, Peter.
http://www.net54baseball.com/showthread.php?t=234226
Personally, I doubt they would stick as no part of the slab, as far as I know, puts any type of pressure on the card.