Banknote Detector Pen Features: Formulated tester ink pen Packaging: Blister card & Paperboard

1).Mark the note, for example, with a cross, in an area which is lightly-coloured and not printed on.

2).If the marking shows up as bright yellow, your bank is genuine and therefore valid!

3).If the marking goes dark and stays dark, your bank note if forged!

4).The making disappears again after a few hours.