South Africa new note family (B767a – B771a) with Omron rings reported – BanknoteNews
Banknote: 20 Rand (South Africa) (2012 ND "Nelson Mandela" without Omron Rings Issue) Wor:P-134a
Hungary new 500-forint note (B581a) confirmed – BanknoteNews
South Africa 200 Rands ND(2014) UNC**New (with Omron rings) | eBay
China announces upgraded series - stevenbron.nl
China announces upgraded series - stevenbron.nl
Glossary of Banknotes – Advanced Security Solutions
Eurion – GeoGebra
EURion constellation (or Omron rings), so that your scanner, photocopier, software (e.g. PS), etc won't allow you to copy, edit or make counterfeit banknotes. - 9GAG
Omron Rings - Help
The Squirrel World Banknotes
10 Rand (With Omron rings) - South Africa – Numista
Omron Rings & the EURion Constellation | Skeptical Beowulf
EURion constellation - Wikipedia
Omron Rings & Color | Skeptical Beowulf
The secret codes of British banknotes - BBC Future
P 140b Uncirculated Prefix HL Omron Rings SOUTH AFRICA 50 RAND 2015
EURion constellation - Wikipedia
South Africa 50 Rand P 140b UNC Sign Kganyago, With Omron rings (Safety Dots) | eBay
South Africa 200 Rand Nd (2014) P. 137 (2) Unc - With Omron Rings
20 Rand (With Omron rings) - South Africa – Numista
Banknote: 100 Rand (South Africa) (2012 ND "Nelson Mandela" without Omron Rings Issue) Wor:P-136a
Banknote: 200 Rand (South Africa) (2012 ND "Nelson Mandela" without Omron Rings Issue) Wor:P-137a | South africa art, Learning quotes, Educational leadership
SOUTH AFRICA 100 Rand P 141b UNC Sign Kganyago, With Omron rings (Safety Dots) - $15.88 | PicClick
