The secret codes of British banknotes - BBC Future
South Africa 200 Rand Nd (2014) P. 137 (2) Unc - With Omron Rings
China announces upgraded series - stevenbron.nl
South Africa 20 Rands Banknote, 2015, P-139, UNC, Nelson Mandela, Omron Rings
Omron Rings & the EURion Constellation | Skeptical Beowulf
The secret codes of British banknotes - BBC Future
BANKNOTES HUNGARY 2001-2008 WITHOUT OMRON RINGS ISSUE - YouTube
P138 South Africa 10 Rand (2014-Omron Rings)
Banknote: 200 Rand (South Africa) (2012 ND "Nelson Mandela" without Omron Rings Issue) Wor:P-137a | South africa art, Learning quotes, Educational leadership
Glossary of Banknotes – Advanced Security Solutions
EURion constellation - Wikipedia
Banknote: 100 Rand (South Africa) (2012 ND "Nelson Mandela" without Omron Rings Issue) Wor:P-136a
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
Hungary | Banknote News
Anti Counterfeit Measures
E8PC-YL-3 | Omron Industrial Automation Pressure Sensor O-Ring Suitable for Adaptor G 1/4 | Distrelec Germany
South Africa 50 Rand P 140b UNC Sign Kganyago, With Omron rings (Safety Dots) | eBay
Jual uang kertas Afrika Selatan 20 Rand (With Omron rings) (2014-2015) - Kota Denpasar - Valeriocollection | Tokopedia
P138 South Africa 10 Rand (2014-Omron Rings)
SOUTH AFRICA 100 Rand P 141b UNC Sign Kganyago, With Omron rings (Safety Dots) - $15.88 | PicClick
P-135
The Squirrel World Banknotes
Omron Rings & Color | Skeptical Beowulf
20 Rand (With Omron rings) - South Africa – Numista
South Africa 200 Rands ND(2014) UNC**New (with Omron rings) | eBay
Banknote: 20 Rand (South Africa) (2012 ND "Nelson Mandela" without Omron Rings Issue) Wor:P-134a
South Africa new note family (B767a – B771a) with Omron rings reported – BanknoteNews
