South Africa 20 Rands Banknote, 2015, P-139, UNC, Nelson Mandela, Omron Rings
The secret codes of British banknotes - BBC Future
HUNGARY, PICK 197
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
China announces upgraded series - stevenbron.nl
Hungary | Banknote News
SOUTH AFRICA 100 Rand P 141b UNC Sign Kganyago, With Omron rings (Safety Dots) - $15.88 | PicClick
Banknote: 100 Rand (South Africa) (2012 ND "Nelson Mandela" without Omron Rings Issue) Wor:P-136a | Bank notes, Africa, Nelson mandela
Anti Counterfeit Measures
Jual uang kertas Afrika Selatan 20 Rand (With Omron rings) (2014-2015) - Kota Denpasar - Valeriocollection | Tokopedia
China P903, 5 Yuan, Chairman Mao / Mountain Tai, Omron rings security UNC see UV | eBay
P 140b Uncirculated Prefix HL Omron Rings SOUTH AFRICA 50 RAND 2015
The secret codes of British banknotes - BBC Future
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 50 Rand P 140b UNC Sign Kganyago, With Omron rings (Safety Dots) | eBay
Omron Rings & the EURion Constellation | Skeptical Beowulf
10 Rand (With Omron rings) - South Africa – Numista
Eurion – GeoGebra
The Squirrel World Banknotes
EURion constellation - Wikipedia
Kamberra Banknotes - Posts | Facebook
Omron Rings - Help
South Africa 200 Rand Nd (2014) P. 137 (2) Unc - With Omron Rings
China announces upgraded series - stevenbron.nl
