Quote:
Originally Posted by the 'stache
What's our best guess as to how long these changes will maintain their illusion? At some point, chemical alteration to these old cards have to start showing, don't they? I refuse to believe that these now undetectable changes will remain as such in perpetuity.
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Good question. I've wondered the same thing. I also wonder if any creases removed will return. Do we have any actual examples of cards that were treated later deteriorating in the holders?