Banknote Verification Marker Money Controller Pen Dt158 | Koh-I-Noor
special marker to detect counterfeit banknotes. reliability coefficient higher than 80%. the special solution contained in the eurotester pen reacts both with the chemicals contained in the paper and with most of those contained in common inks. there are different papers and inks used to produce counterfeit banknotes and for this reason, the color of the line drawn with the eurotester pen on these banknotes can change from gray to lilac, to violet etc.