Ballpoint Pen For The Rapid Control Of The Authenticity Of Banknotes. Detects Fake Bank Notes ImpriméA On Normal Paper Including A Of Starch. Mark: Genuine Bank Note Is = Or Yellowish In Colour, Bank Note Is Forged With Grey Or Brown. The Brand Is Invisible On The Paper Does Not Contain Starch Is In Part A Clear Line. For Added Security, Use It In A Control Device Of The Notes.