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Bulgaria Launches Unique Banknote Security Feature


Tiffibunny

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  • 2 weeks later...

bah...they never answered. :ninja:

 

guess i'll settle for this "regular" number. the "magic window" looks like a regular hole cut into the paper, and a strip of plastic covers most of the left margin to seal it shut. at first glance it looks like a regular plastic window (like on polymer notes), but neon green lines show up when you hold a dark color behind it or tilt the note at an angle. pretty nifty feature.

 

window-vi.jpg

 

bulg20-vi.jpg

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