The banknotes of earlier generations were protected by two or three security features with which the general public was familiar: watermark, security thread, intaglio printing. The remaining features pleased primarily printers and central banks, with little thought being given to public perception. The philosophy adopted two decades ago was based on a certain measure of discretion. It required patience and perseverance to discover the built-in security features of the banknotes. When colour photocopiers appeared on the scene in the mid- eighties we were compelled to take precautionary measures to protect our banknotes. One such measure consisted of an information campaign to prepare ourselves for this new potential threat. At this point, we actually became fully aware of the complex design of our banknotes and how difficult it is to communicate clearly the difference between a genuine and a counterfeit banknote. This difficult experience has nevertheless been a great benefit. It badgered us continually during the initial phase of designing the banknotes and preparing the information campaign.
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