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Why nobody can photocopy them or to print banknotes

Did you know that there is a special symbol embedded in bills that it literally prevents the copiers and printers to copy; Most banknotes have a secret mechanism, who when scanning is recognized by the printer automatically cancels the print.

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1 Comment

  1. Marina Agathokleous says:

    How nice it would be if we were all from a machine that makes money..