When there was that 'walkthrough of SGC' video floating around, the thing that struck me the most was the machine it put each card through (for any 'The Curse of Oak Island' watchers, they have something similar) that was like a cross between a blacklight and an x-ray machine. That sucker instantly showed all sorts of invisible things impossible to see in regular light - wrinkles, bends, etc.
If your card wasn't just a straight f*ck up by SGC, then I would see if any unseen issues become apparent under a blacklight.
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