DRIMARK Book Saver Removable Ink Pen   Write notes in the margins of any book or periodical. Wipe away the evidence when your done. Featuring a specially formulated blue ink and neutralizing wand tip that removes the ink completely.
	DRIMARK Smart Money® Counterfeit Detector Pen   The Patented Smart Money® Counterfeit Detector Pen has revolutionized counterfeit detection. Dri Mark's Counterfeit Detector pen is a highly effective and inexpensive tool for detecting bad bills and deterring counterfeiters from passing phony currency in the first place. Simply make a small mark on U.S. currency. An amber mark ...