Description: This marker is a highly effective and inexpensive tool for detecting bad bills and deterring counterfeiters. It is a world wide so it will work in International countries. Good for Argentina, Brazil, Britain, Euro Countries, Hong Kong, Japan, Korea, Macao, Malaysia, New Zealand, Russia, South Africa, Taiwan, Thailand, and USA. It will save you hundreds when detecting those fake bills! You can carry it everywhere you go! Easy to use:Make a small mark on the bill Black = Fake Yellow= Real You will get results in just seconds. Marking will fade after a few hours.: Features:: * Listing is for 1 counterfeit detector pen * It can save you hundreds * Reliable * Highly effective and inexpensive tool * This marker is a highly effective and inexpensive tool for detecting bad bills and deterring counterfeiters * You can carry it everywhere you go * Easy to use * Will work on international currencies * Argentina - Peso * Brazil - Cruzero * Britain- Pound * Euro Countries - Euro * Hong Kong - Dollar * Japan- Yen * Korea- Won * Macao- Dollar * Malaysia- Dollar * New Zealand- Dollar * Russia- Ruble * South Africa- NT Dollar * Thailand- Baht * U.S.A- Dollar Package Contents - Accessories Included:: 1 Counterfeit Detector Pen