From what I have been told the metal strip in bills is designed to set metal detectors off at points of entrance/exit to the country. When you have a large enough amount of currency the quantity of metal will be high enough to set the detectors off. Moving undeclared currency across the border is illegal... Help catch drug smugglers etc...
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From what I have been told the metal strip in bills is designed to set metal detectors off at points of entrance/exit to the country. When you have a large enough amount of currency the quantity of metal will be high enough to set the detectors off. Moving undeclared currency across the border is illegal... Help catch drug smugglers etc...