One reason, besides cost, that TPGs don't break out the electron microscopes or mass spectrometers is that most people don't care to find out if there are subatomic changes to a card or that in 1950 my Mantle card was placed on a counter freshly cleaned with Bon Ami. I know I don't. I know that's being facetious, but do you really want to detect all this. Air and time destroy cards. Let's at least leave those 2 things alone.
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