Businesses have counted on the Dri Mark Counterfeit Money Detector Pen for over 25 years — you can too! An efficient option for loss prevention related to counterfeit U.S. currency. These are easy to use — just put a small mark on the bill being presented to you. If the ink remains yellow, you know this is real U.S. tender; if it turns black you immediately know not to take the bill. It is that easy and super fast.

We are proud to be located in the heart of the nations capitol, Servicing all branches of the Federal, State and local Government. Providing a wide variety of Office Supplies, Furniture, Janitorial, Break Room, Computer Hardware/Software, Ink and Toner. As well as Services, Product/Furniture Assembly, Rush Deliveries and Logistics. We are confident that if given the opportunity GSA WHOLESALE can provide you with cost savings, great products, and the utmost customer satisfaction.