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Optimizing Serialization: Part 5

This series about serial number optimization has covered letterpress, ink properties, font design, and position dependence. Two deficiencies of the position dependence concepts as...

Optimizing Serialization: Part 4

The first three articles in this series reviewed contemporary security document serial number design strategies related to letterpress printing technology, security inks and font...

Optimizing Serialization: Part 3

The first part of this series discussed letterpress numbering machines, detection of counterfeit serial numbers by printing process examination, and strategies for optimizing letterpress...

Optimizing Serialization: Part 2

The first part of this series discussed microscopic characteristics of serial numbers applied by letterpress numbering machines, detection of counterfeit serial numbers by printing...

Optimizing Serialization: Part 1

Despite the introduction of promising new digital security serialization technologies, letterpress numbering machines are still used to serialize most paper documents today.  A letterpress...

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New Nigerian Banknotes with Modified Colours, Security Ink

The Central Bank of Nigeria (CBN) has unveiled modified banknotes in the denominations of 200, 500, and 1,000 Naira. The new banknotes will be...

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China unveils new banknote

The People's Bank of China is scheduled to issue the fifth set of RMB 5 banknotes for the 2020 edition from 5 November. The central...

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