Checking banknotes and other secure documents more easily – this is possible with the innovative security feature mouveGSI developed by Gleitsmann Security Inks (GSI), a subsidiary of hubergroup. Under UV light, the feature ink shows a color transition and an afterglow effect when the light source is switched off. This “traffic light effect” can be checked by using existing tools and sen-sors. An Asian banknote customer already successfully uses mouveGSI. To achieve this extraordinary effect i...