Counterfeit Money Detector Pen, Pack of 3

The MOOLAH SMART MONEYTM Counterfeit Detector Pen with Dri-Mark technology allows you to authenticate US banknote paper in less than a second. Simply make a small mark on any US currency – A clear or amber line, which will fade shortly after application, indicates authentic US currency paper. A dark mark means the bill is likely counterfeit. Each package contains 3 pens.