According to a press release, Christoph Gärtner auction 35 contains more than 3,000 banknote lots from all over the world, and all are now online on Sixbid.Among them many rarities from Europe with rarely seen specimen banknotes including a comprehensive collection of Bulgaria will be offered. “A special focus onRead More…

The BBC has a very interesting article dated 25 June 2015 by Chris Baraniuk entitled “The secret codes of British banknotes,” which discusses the so-called EURion Constellation (aka Omron rings) patterns’ role in deterring digital counterfeiting. Unmentioned in this article is that the simplest way to defeat this anti-counterfeiting featureRead More…