There are numerous ways it is identified. In part because the two parts don't seemly fuse together and, even if original paper stock is used, foreign substances have to be used to affix or integrate it to the card. Cut a single sheet of raw paper or card stock, cut it in half and try and put it back together using any method you can think of.
Last edited by drcy; 01-21-2018 at 07:00 PM.
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