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runscottthe images are printed on paper, then glued to some sort of thicker backing paper. When they attempted to "age" the card, using some sort of liquid, the layers separated a little, causing the ripples on the surface (they aren't creases).
One of the best ways to understand what these creeps do, and to better identify their garbage, is to attempt to make your own "replicas" as Garth Feldman likes to call them. You will end up seeing the same odd flaws that these things possess: clipped corners, odd coffee stains not characteristic of real caramel, paper separation rather than honest creasing, etc.