Bank Supplies Protected Pens (701-50855-12)

Quickly verify the authenticity of U.S. currency with this easy-to-use counterfeit detection pen. Simply make a small mark on the bill genuine bills turn amber, while counterfeit or suspect bills turn black or dark brown. The iodine-based formula reacts with wood-based paper commonly used in fake currency, making it an effective first-line screening tool for any cash-handling business. Contains an iodine solution that reacts with the starch in wood-based paper to create a black stain. When the solution is applied to the fiber-based paper used in real bills, no discoloration occurs.