New Traffic Light Security Ink from GSI
From left to right, mouveGSI seen in daylight, with rising colour under UV light, and then fading to a green afterglow (© GSI).
Gleitsmann Security Inks (GSI) has launched what it terms the ‘world’s first traffic light for banknotes’, in the form of mouveGSI, a unique security feature that will also help safeguard security documents such as tax stamps using luminescent colour effects.
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