Counterfeit Banknote Detection Pen

A counterfeit banknote detection pen is a device used to apply an iodine-based ink to banknotes in an attempt to determine their authenticity.

Read more about Counterfeit Banknote Detection Pen:  Background, Efficacy

Famous quotes containing the words counterfeit and/or pen:

    It is not in the power of even the most crafty dissimulation to conceal love long, where it really is, nor to counterfeit it long where it is not.
    François, Duc De La Rochefoucauld (1613–1680)

    Its whether will ye be a rank robber’s wife,
    Or will ye die by my wee pen knife?

    Its I’ll not be a rank robber’s wife,
    But I’ll rather die by your wee pen knife.

    He ‘s killed this may and he ‘s laid her by,
    For to bear the red rose company.
    Unknown. Babylon; or, The Bonnie Banks o’ Fordie (l. 9–14)