Home Glossary Tracking Tracking By - 25/01/2018 60 A security feature that is added to glued/stapled passport photos. It consists of tank tracks, which are applied using a (manual) press. Perforations are often added between the tracks. + 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 Watermark Glossary Transparent ink 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