Use this Dri Mark counterfeit detector pen CFD15PK to protect your profits and business from counterfeit bills. To prevent fraud, this pen is the perfect tool to catch counterfeit bills before it's too late. It's fast and easy to use, holding enough ink to mark 25,000 bills despite its smaller, pocket size. With just a small mark on a bill, the color indicates a counterfeit bill. If the ink remains yellow, the bill is real U.S. tender; if the ink turns black, the bill is fake.
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