GENIE 10 x Quicktester Banknote Detector Pen (Uncomplicated Counterfeit Protection)

Handy banknote detector pen, portable and easy protection against counterfeit money, checks euros (including all new notes), US dollars, British pounds How it works: you can mark a note with the pen, preferably in a bright place on the edge of the banknote Result: real money - the line fades to a slightly yellowish colour and is hardly visible later. Counterfeit money - The line is very dark and very clearly visible Banknotes are made of special paper - the pen recognizes it by the composition of its ink, which then fades. Counterfeit money is often made of plain paper, the ink reacts and becomes dark