Alternate color or configuration shownCONTROLTEK® DTEK Counterfeit Detector PensQuick and simple way to detect counterfeit bills. Amber indicates legitimacy, while black or brown identifies it is counterfeit. Good on all U.S. currency 1959 and after. Antimicrobial protected, prevents the growth of odor-causing bacteria and fungus on the surface of the pen.Manufacturer: CONTROL PAPERS Add to compare listEmail a friendQuick and simple way to detect counterfeit bills.Ink changes color depending on the authenticity of the currency. Amber indicates legitimacy, while black or brown identifies it is counterfeit.Good on all U.S. currency 1959 and after.Antimicrobial protected, prevents the growth of odor-causing bacteria and fungus on the surface of the pen.OverviewContact UsQuick and simple way to detect counterfeit bills.Ink changes color depending on the authenticity of the currency. Amber indicates legitimacy, while black or brown identifies it is counterfeit.Good on all U.S. currency 1959 and after.Antimicrobial protected, prevents the growth of odor-causing bacteria and fungus on the surface of the pen.Your name * Your email * Enquiry * SubmitThis product is sold out