Home Glossary Irasafe Irasafe By keesingidacademy - 25/01/2018 49 Ink containing semi-opaque pigments that become visible/invisible, depending on the angle of view and/or light. An iridescent ink that simultaneously displays five different colours, in vertical strips, arranged side by side. + posts Varifeye Watermark Transparent ink Unique font RELATED ARTICLESMORE FROM AUTHOR Glossary Invisible Personal Information (IPI) Glossary 3D Photo Glossary Invisible Personal Information (IPI) Glossary Hotfoil Glossary Unique font Glossary UV Ink Must read 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