<Recto - identity> - OVD (optically variable device)
When the image is viewed at a shallow angle and rotated through 180º the surfaces of the letters "E" display contrast reversal, i.e. the surfaces appear lighter or darker against the background
IMPORTANT LEGAL NOTICE - The information on this site is subject to a disclaimer notice and terms of conduct and a copyright notice.
Back to document
[ Document generated on : 01.07.2021 09:11:56 CEST ]