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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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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Dri Mark 351B1 Counterfeit Bill Detector Marker Pen, Made in The USA, 3 Times More Ink, Pocket Size, Fake Money Checker - Money Loss Prevention Tester & Fraud Protection for U.S. Currency (Pack of 1)

Product ID: 5090455

💼Compact pocket size, ultra portable

🔦Built-in UV light for security strip check

🖊️3x more ink for extended use

47.31 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

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Description

🕵️‍♂️ Spot fakes before they spot you—security in your pocket!

INTEGRATED UV LIGHT - Embedded LED in cap exposes hidden security strips on $5+ bills.
TRIPLE INK CAPACITY - Lasts 3x longer than standard pens—never run out mid-check.
INSTANT CHEMICAL REACTION - Iodine-based ink instantly reveals counterfeit bills with a simple mark.
SLEEK POCKET SIZED DESIGN - Carry fraud protection discreetly wherever business takes you.
UNIVERSAL CURRENCY COMPATIBILITY - Works flawlessly on all U.S. bills since 1959—trusted authenticity.

The Dri Mark 351B1 Counterfeit Bill Detector Pen is a U.S.-made, iodine-based marker that instantly identifies fake U.S. currency by reacting to starch in counterfeit bills. Featuring 3 times more ink than standard pens and a built-in UV light to verify security strips, this compact, pocket-sized tool ensures reliable fraud protection for all U.S. bills from 1959 onward. Trusted by professionals, it combines chemical detection with UV authentication for comprehensive money loss prevention.

Specifications

ASIN	B00006IE9P
Best Sellers Rank	#3,253 in Office Products ( See Top 100 in Office Products ) #4 in Counterfeit Bill Detectors
Brand	Dri Mark
Color	Black
Customer Reviews	4.7 4.7 out of 5 stars (5,299)
Date First Available	March 24, 2008
Item Weight	0.16 ounces
Item model number	351B-1
Manufacturer	DRI-MARK PRODUCTS
Manufacturer Part Number	351B1
Material Type	Not Appilcable
National Stock Number	7520-01-386-1621
Number of Drawers	2
Number of Items	1
Product Dimensions	7.5 x 3.15 x 0.65 inches
Size	1 Pack

Common Questions

Are the products genuine and authentic?+

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.

How long does delivery take and is it reliable?+

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.

What is Desertcart? Is it safe to order from?+

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.

How is product pricing calculated?+

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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TrustScore 4.5 | 7,300+ reviews

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

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Perfect platform for hard-to-find items. Delivery was prompt.

1 month ago

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47.31 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Tunisia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Khalid Z.

Great experience from order to delivery. Highly recommended!

1 week ago

Abdullah B.

Great price for an authentic product. Fast international shipping too!

3 weeks ago

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