An anti-copy feature that consists of transparent intaglio, added to a reflective, gold or silver-coloured image by means of Intaglio printing. The Intaglio is only visible if the substrate is tilted so that the background becomes reflective.
An anti-copy feature that consists of transparent intaglio, added to a reflective, gold or silver-coloured image by means of Intaglio printing. The Intaglio is only visible if the substrate is tilted so that the background becomes reflective.