Dri-Mark Smart Money Counterfeit Bill Detector Pen 351R-1 for US Currency, Price for 12/Pack - B50261

SMART MONEY COUNTERFEIT BILL DETECTOR PEN - 12 PACK THIS BILL DETECTOR PEN IS FOR USE WITH U.S. CURRENCY. MAKES AN AMBER MARK IF BILL PASSES THE TEST, A BROWN OR BLACK MARK IF BILL IS SUSPECT TO COUNTERFEITING.