An earlier development by Louisenthal – its Pole® feature – had already numbered among the winners at the previous IACA Currency Awards ceremony. The Pole®polarization feature for optically variable security threads was introduced back in 2005 and has since been incorporated into Kazakhstan’s new 1000 Tenge banknote, as well as the current series of Czech and Bulgarian banknotes, to name but a few.

For this year’s awards, the IACA again nominated a development by Louisenthal: its varifeye®Magic ‘banknote window’, which can now be seen on the 10 million or so 1000 tenge banknotes currently in circulation. In this feature, microstructures magnified by microoptical lenses produce changing three-dimensional images when the note is tilted at different angles. On the 1000 tenge note, for example, the image alternates between a camel and the Cyrillic letter ‘К’.

Alongside varifeye® Magic, the other finalists in the Best New Currency Feature category were De La Rue’s Depth Image™ security hologram and Arjowiggins’ Pixel™ watermark. The Best New Currency Feature Awards were presented during the Gala Dinner on May 12, 2010, the final day of the Currency Conference.

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