Cashing in on holigrams
Dr Paul Dunn considers the anti-counterfeiting role holography has played in 20 years of the Euro
To understand why the European Central Bank (ECB) decided to place holograms onto the Euro as an anti-counterfeiting feature, you have to go back to the first reports of colour photocopiers being used to counterfeit banknotes, which came at Interpol’s sixth International Conference on Currency Counterfeiting (Madrid, 1977). The resolution, contrast and colour fidelity of office copiers had improved to the extent that casual counterfeiting of the printed features on a banknote had become . . .