Security Features
Previous security features in the Ship Series were carried over to the portrait series, and new ones incorporated into the banknote. Two prominent security features form the cornerstone of the banknote - the engraved portrait of Encik Yusof bin Ishak and the Kinegram; MAS states that banknotes with missing or mutilated portrait or/and Kinegram command no value. Paper versions issued by BCCS features its logo and the face value, which those issued by the MAS features its logo with the Merlion and the face value. Polymer versions of the banknote have the Kinegram replaced by an image of the Singapore lion symbol with the face value, showing the coat of arms of Singapore when tilted at varying degrees.
Other security features include lithographic print, anti-copying line structures, perfect registration, microprinting, asymmetrical serial number, windowed security thread and LiftTwin. Polymer versions of the banknote include two clear windows and other security features that substitute its paper version. Several features that are invisible to the naked eye appear when both versions of the banknote are exposed under UV light.
Read more about this topic: Singapore Portrait Series Currency Notes
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