Home Glossary Optically Variable Ink Optically Variable Ink By - 25/01/2018 101 Ink containing optically variable pigments that generate a noticeable colour change (shift), depending on the angle of view and/or incidence of light. + posts Windowed Anti stokes ink Anticopy Asymetric print 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