Holograms (located on 56 banknotes): Holographic pictures that alter visual appeal when viewed from different angles, usually demonstrating 3D results or colour shifts to improve security. textual content and/or visuals Use a 3D overall look elaborate engravings for example guilloche and micro text raised printing a checksum or serial variety https://top-selling-copyright-b52849.p2blogs.com/31654480/detailed-notes-on-top-selling-copyright-banksnotes