via Papua New Guinea
1.Complex Clear Window - Complex clear window incorporating a vignette of the Bank of Papua New Guinea logo.
2.Shadow Image - Shadow image of the Bank of Papua New Guinea logo, which is visible when raised to the light.
3.G-Switch - "Feature G-Switch" is a dynamic optical feature that changes colour when the banknote is tilted under a light source.
4.Emboss - The numeral ‘20’ is embossed in the secondary clear window.
5.Offset - Complex background security patterns in multiple rainbow print.
6.Intaglio - Multi-colour raised keyline printing of main design elements on the front and back of the banknote.
7.Iridescent Feature - Bird of Paradise in full flight on the back provides a colour change when the banknote is tilted.
8.Serial Number - Black serial number fluoresces yellow/green under ultra violet light.
9.Signatures - Black signatures of the Governor and the Secretary, Department of Treasury fluoresce yellow/green under ultra violet light.