![]() Pros: These detectors are generally, very effective if used correctly. Pocket UV flashlights are also a popular version of this technology, and some companies combine a UV light with the classic counterfeit pen. Some newer machines use LED technology which tend to be more reliable and also have the advantage of never needing replacement bulbs. The most common utilize fluorescent tube bulbs which need to be replaced periodically. These machines come in various sizes and formats. When the bill is laid on the backlit platter, the watermark is easily visible. bill of $5 -$100 has a watermark image to the right of the portrait which mirrors the portrait in the center of the bill. Other machines combine the UV lights with a backlit platter to reveal the watermarks in bills. These machines will illuminate those strips. bill (except for the $1) has a Mylar security strip which glows under UV light. Countertop machines such as the UV lightbox seen at many airport security checkpoints pick up the UV features that are embedded in U.S. These light-based detection devices work by revealing invisible UV features or paper watermarks on banknotes. Shop the original counterfeit detector pen HERE. Where to Buy: Dri Mark is the original patent holder of the counterfeit detection pen and has been manufacturing them on Long Island, NY since the 1970’s. Pros: Small, convenient, inexpensive, easy to train and understandĬons: Accuracy is a problem due to bill bleaching Bill bleaching, because it’s quite labor intensive, is not an enormous problem, but there are still significant numbers of these in circulation. Because this type of counterfeit is now printed on Cranes currency stock, the pen does not work. The blank currency paper is then overprinted with a higher denomination. A single or five-dollar bill is soaked in a solvent, and the ink is removed. Some counterfeiters use a process commonly referred to as bleaching to defeat the counterfeit detector pens’ accuracy. Pens are reliable on most common counterfeit notes which are scanned and printed on copy or typing paper using laser or inkjet printers. This solution turns the paper dark brown or black during that chemical reaction, so counterfeit money which is printed on anything other than Cranes paper causes the chemical reaction Counterfeit detector pens use a special liquid formula to react with chemicals that are used to process wood pulp paper. This special paper is composed of a combination of linen and cotton and is only available to governments, making it nearly impossible to obtain. American paper money is printed on Cranes currency paper stock, which is not anything like common printer paper. Counterfeit Detector Pens:Īrguably the most well known counterfeit detection product, the counterfeit detector pen serves as a chemical test for paper authenticity. Let’s take a look at a few of those detection methods. ![]() With that being said, there are ways to keep yourself from being fooled. But according to the United States Department of Treasury there are currently upwards of two hundred million dollars’ worth of bogus bill’s in circulation. ![]() In a digital world it can be easy to think that counterfeit cash is a thing of the past.
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