Experts are constantly devising new safety measures that are extremely difficult for anyone to bypass or to duplicate. It is due to some such measures that criminals nowadays find it difficult to forge money. The large Euro coins, for instance, have a magnetic core, which is surrounded by a non-magnetic ring. In currency notes, the safety features are much more complicated. These include water marks that one can see with the help of a backlight, a microprint that one can read only with a magnifying glass, and a shining silvery Cinegram, which is difficult to make. In addition, certain prints on bank notes can only be seen with a UV reader. For this reason, high-value bank notes are placed under a black light on the cash counters to check whether they are authentic.
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