How does the Dri Mark Counterfeit Detector Pen work?

The iodine-based ink reacts with starch in fake bills, turning dark. On real U.S. currency (starch-free), the mark stays light.

Can it detect foreign bills?

Standard pens are for U.S. bills only. Dri Mark’s Universal Pen can check some foreign currencies but not polymer bills.

Is it effective on old and new bills?

Yes, it works on all U.S. bills since they all use the same cotton-linen paper without starch.

Can counterfeiters fool the pen?

Advanced fakes using real paper (like bleached bills) may pass. Use UV lights or other tools for better security.

How long does the pen last?

It lasts long due to a larger ink supply. Keep the cap on tightly and store it cool and dry to maximize life.

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🖊️ Spot fakes in a flash—because your business deserves the real deal.

COMPACT POWERHOUSE - 3x more ink in a sleek, pocket-friendly design—never run dry mid-shift.
INSTANT VERIFICATION - Draw a quick mark—dark means fake, light means legit. No guesswork, no delay.
UPGRADE READY SECURITY - Easily add a UV light attachment to catch even the sneakiest fake bills.
LONG LASTING RELIABILITY - Precision parts prevent drying out, ensuring your pen stays ready when you are.
TRUSTED AMERICAN CRAFTSMANSHIP - Proudly USA-made with over 30 years of counterfeit detection expertise.

The Dri Mark CFD5PK is a pack of 5 compact, durable counterfeit detection pens made in the USA. With 3 times the ink of previous models and precision engineering to prevent drying out, these pens provide instant, reliable verification of U.S. currency authenticity. Trusted for over 30 years, they’re ideal for businesses seeking fast, accurate counterfeit detection with optional UV light upgrades.

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

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Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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