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)
“Prove that ever I lose more blood with love than I will get again with drinking, pick out mine eyes with a ballad-maker’s pen and hang me up at the door of a brothel-house for the sign of blind Cupid.”
—William Shakespeare (1564–1616)