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Line 1: A '''counterfeit banknote detection pen''' is a device used to apply an [[iodine]]-based ink to [[banknote]]s in an attempt to determine their authenticity. The U.S. Government states "counterfeit detection pens are not always accurate and may give you false results, which is why we recommend relying on security features such as the watermark and security thread."<ref>[http://www.newmoney.gov/stakeholder/retail.htm Resources for the Retail Industry; newmoney.gov]</ref> ==Background==

Counterfeit banknote detection pen: Difference between revisions