Home Glossary Optically Variable Device Optically Variable Device By - 25/01/2018 84 A security feature that displays different information, depending on the angle of view (incidence of light). + posts Windowed Anti stokes ink Anticopy Cornerstone watermark RELATED ARTICLESMORE FROM AUTHOR Glossary Invisible Personal Information (IPI) Glossary 3D Photo Glossary Invisible Personal Information (IPI) Glossary Hotfoil Glossary Viewsafe Glossary Varifeye Related Content Designing identity documents Nick Nugent - 01/10/2015 0 Identities in the blockchain Peter Hoogendoorn - 08/10/2018 0 Designing better banknotes Dr Andrea Firth - 01/10/2011 0 The golden harmony of Fibonacci Anton Bleikolm - 01/02/2012 0 Does money make you ill? Marcus Riemann - 01/10/2014 0 Load more