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…

San Francisco – 21 February 2014 – International Currency Grading (ICG) is pleased to announce that they have begun printing The Banknote Book catalog numbers on ICG grading labels. “As a new grading service focused exclusively on world paper money, we offer accurate grading that collectors demand and deserve. TheRead More…