Best Dri Mark Counterfeit Bill Detectors in 2026

Dri Mark 351R1 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 12)

INSTANTLY AND EASILY DETECT FAKE BILLS - Prevent profit loss with this fast, accurate, effective counterfeit tester; Marker pen detects genuine US currency paper; Simply draw a mark on a dollar bill: dark mark means fake; light mark passes test; Includes 12 Checker Pens

DRI MARK PENS WILL OUTLAST AND OUTPERFORM others made offshore; Precision fitted parts ensure long shelf life and no-dry-out if recapped; The Dri Mark Counterfeit bill detection pen is the original and is still the top quality, USA-made checker; Trust the original; Accept no substitute

INSTANTLY AND EASILY DETECT FAKE BILLS - Prevent profit loss with this fast, accurate, effective counterfeit tester; Marker pen detects genuine US currency paper; Simply draw a mark on a dollar bill: dark mark means fake; light mark passes test; Includes 1 Checker Pen

DRI MARK PENS WILL OUTLAST AND OUTPERFORM others made offshore; Precision fitted parts ensure long shelf life and no-dry-out if recapped; The Dri Mark Counterfeit bill detection pen is the original and is still the top quality, USA-made checker; Trust the original; Accept no substitute

SMALLER PEN, 3 TIMES THE INK - Dri Mark's Pocket Size Counterfeit Bill Detector Pen has 3 times the ink and is almost an inch shorter than previous models; Smaller size fits in your pocket so you can take it with you anywhere; Designed for Small to Large businesses such as restaurants, banks, retail stores and entertainment venues

INSTANTLY AND EASILY DETECT FAKE BILLS - Prevent profit loss with this fast, accurate, effective counterfeit tester; Marker pen detects genuine US currency paper; Simply draw a mark on a dollar bill: dark mark means fake; light mark passes test; Includes 1 Checker Pen

DRI MARK PENS WILL OUTLAST AND OUTPERFORM others made offshore; Precision fitted parts ensure long shelf life and no-dry-out if recapped; The Dri Mark Counterfeit bill detection pen is the original and is still the top quality, USA-made checker; Trust the original; Accept no substitute

SMALLER PEN, 3 TIMES THE INK - Dri Mark's Pocket Size Counterfeit Bill Detector Pen has 3 times the ink and is almost an inch shorter than previous models; Smaller size fits in your pocket so you can take it with you anywhere; Designed for Small to Large businesses such as restaurants, banks, retail stores and entertainment venues

INSTANTLY AND EASILY DETECT FAKE BILLS - Prevent profit loss with this fast, accurate, effective counterfeit checker. Dual Detector system finds bad bills with the original counterfeit bill detector pen and UV light; An instant and reliable way tester for counterfeit currency; Includes 1 Dual Detector Combo Plus 1 Adhesive Holder with Coils

2 TESTS IN 1- PROTECT YOUR PROFITS: Security strip test: powerful UV light is embedded in the cap and is easy to activate; The LED bulb reveals the hidden security stripe found in all 5 dollar bills and higher; Currency paper test: counterfeit marker pen detects genuine US currency paper; Catch a counterfeit bill and it pays for itself

FRAUD DETECTION - AUTHENTICATOR: Strong, Compact, Simple; UV Light is great for authenticating passports, credit cards, traveler's checks, and drivers' licenses; Protect your liquor license by identifying fake IDs; Designed for Small to Large businesses such as restaurants, banks, convenience, retail stores and entertainment venues; Catch the fraud without slowing the line

INSTANTLY AND EASILY DETECT FAKE BILLS - Prevent profit loss with this fast, accurate, effective counterfeit tester. Marker pen detects genuine US currency paper. Simply draw a mark on a dollar bill: dark mark means fake; light mark passes test. Includes 5 Checker Pens.

DRI MARK PENS WILL OUTLAST AND OUTPERFORM others made offshore. Precision fitted parts ensure long shelf life and no-dry-out if recapped. The Dri Mark Counterfeit bill detection pen is the original and is still the top quality, USA-made checker. Trust the original. Accept no substitute.

SMALLER PEN, 3 TIMES THE INK - Dri Mark's "Pocket Size" Counterfeit Bill Detector Pen has 3 times the ink and is almost an inch shorter than previous models. Designed for Small to Large businesses such as restaurants, banks, retail stores and entertainment venues.

Trust The Original, Accept No Substitute: Dri Mark’S Unique Patented Dual Detector Counterfeit Pen And Uv Light Is An Instant And Reliable Way To Check For Counterfeit Currency And Protect Your Business. 25+ Years Of Counterfeit Detection Experience. The Dual Test Counterfiet Detector Pen And Uv Light Is Patented (U S Patents 8, 406, 499 And 8, 545, 766).

Loss Prevention: Catch A Counterfeit And It Pays For Iteself, Perfect For Detecting “Bleached” Bills. These Are $1 And $5 Bills That Have Had The Ink Removed And Over-Printed With A Higher Denomination To Fool Counterfeit Pens. Powerful Uv Light Is Embedded In The Cap And Is Easy To Activate. The Led Bulb Is Specifically Designed To Reveal The Hidden Security Stripe Which Cannot Be Duplicated By Counterfieters In All $5 Bills And Higher. Pen Detects Genuine Us Currency Paper. Simply Draw A Mark On A Dollar Bill: Dark Mark Means Counterfeit, Light Mark Passes Test. Dri Mark'S Pen Is Still The Only Usa Made Counterfeit Detector Pen.

Fraud Detection: Strong. Compact. Simple. Uv Light Is Great For Authenticating Passports, Credit Cards, Traveler’S Checks, And Drivers Licenses. Designed For Small To Large Businesses, Our Instant Verification System Is Perfect For Catching Counterfeit Items In Any Fast Paced Retail Environment. Catch The Fraud Without Slowing The Line.

INSTANTLY AND EASILY DETECT FAKE BILLS - Prevent profit loss with this fast, accurate, effective counterfeit checker. Dual Detector system finds bad bills with the original counterfeit bill detector pen and UV light; An instant and reliable way tester for counterfeit currency; Includes 1 Dual Detector Combo Plus 1 Adhesive Holder with Coils

2 TESTS IN 1- PROTECT YOUR PROFITS: Security strip test: powerful UV light is embedded in the cap and is easy to activate; The LED bulb reveals the hidden security stripe found in all 5 dollar bills and higher; Currency paper test: counterfeit marker pen detects genuine US currency paper; Catch a counterfeit bill and it pays for itself

FRAUD DETECTION - AUTHENTICATOR: Strong, Compact, Simple; UV Light is great for authenticating passports, credit cards, traveler's checks, and drivers' licenses; Protect your liquor license by identifying fake IDs; Designed for Small to Large businesses such as restaurants, banks, convenience, retail stores and entertainment venues; Catch the fraud without slowing the line

INSTANTLY AND EASILY DETECT FAKE BILLS - Prevent profit loss with this fast, accurate, effective counterfeit checker. Dual Detector system finds bad bills with the original counterfeit bill detector pen and UV light; An instant and reliable way tester for counterfeit currency; Includes 4 Dual Detector Combos Plus 2 Adhesive Holders with Coils

2 TESTS IN 1- PROTECT YOUR PROFITS: Security strip test: powerful UV light is embedded in the cap and is easy to activate; The LED bulb reveals the hidden security stripe found in all 5 dollar bills and higher to help detect bleached bills. Currency paper test: counterfeit marker pen detects genuine US currency paper. Catch a counterfeit bill and it pays for itself

FRAUD DETECTION - AUTHENTICATOR: Strong, Compact, Simple; UV Light is great for authenticating passports, credit cards, traveler's checks, and drivers' licenses; Protect your liquor license by identifying fake IDs; Designed for Small to Large businesses such as restaurants, banks, convenience, retail stores and entertainment venues; Catch the fraud without slowing the line

East To Use

Recommended by Experts

Special Formula Detects Bad Bills

TRUST THE INDUSTRY LEADER: With 25+ Years of counterfeit & fraud detection experience Dri Mark designed their unique UV Pro Ultraviolet flashlight as an instant & reliable way to check for counterfeit currency & fraudulent secure documents. UV Pro is Dri Mark's most powerful UV device. Utilizing 6 proprietary, high quality optimal short wave UV LEDs making it the most advanced ultraviolet light available for effective visibility of UV features. This set comes with 3 AAA batteries.

PROTECT YOUR PROFITS: Catch a counterfeit & it pays for itself, Perfect for detecting U.S. “bleached” bills. These are $1 & $5 bills that have had the ink removed & over-printed with a higher denomination. Reveals the hidden security stripe which cannot be duplicated by counterfeiters in U.S. currency. Detects UV features in most paper currencies, E.g. the Euro, British Pound, Japanese Yen, Swiss Franc, Chinese Yuan & Hong Kong Dollar. If used properly, the UV Pro Plus is nearly 100% effective.

FRAUD DETECTION: UV Light is great for authenticating passports, credit cards, traveler’s checks, drivers licenses & other official documents. Designed for Small to Large businesses, our instant verification system is perfect for catching counterfeit items in any fast paced retail environment. Catch the fraud without slowing the line. Perfect for restaurants & bars to security personnel, government agencies & transportation hubs whenever its critical to authenticate ID.

TRUST THE INDUSTRY LEADER: With 25+ Years of counterfeit & fraud detection experience Dri Mark designed their unique UV Pro Ultraviolet flashlight as an instant & reliable way to check for counterfeit currency & fraudulent secure documents. UV Pro is Dri Mark's most powerful UV device. Utilizing 6 proprietary, high quality optimal short wave UV LEDs making it the most advanced ultraviolet light available for effective visibility of UV features. Powered by 3 AAA batteries (Not included).

PROTECT YOUR PROFITS: Catch a counterfeit & it pays for itself, Perfect for detecting U.S. “bleached” bills. These are $1 & $5 bills that have had the ink removed & over-printed with a higher denomination. Reveals the hidden security stripe which cannot be duplicated by counterfeiters in U.S. currency. Detects UV features in most paper currencies, E.g. the Euro, British Pound, Japanese Yen, Swiss Franc, Chinese Yuan & Hong Kong Dollar. If used properly, the UV Pro Plus is nearly 100% effective.

FRAUD DETECTION: UV Light is great for authenticating passports, credit cards, traveler’s checks, drivers licenses & other official documents. Designed for Small to Large businesses, our instant verification system is perfect for catching counterfeit items in any fast paced retail environment. Catch the fraud without slowing the line. Perfect for restaurants & bars to security personnel, government agencies & transportation hubs whenever its critical to authenticate ID.

TRUST THE INDUSTRY LEADER: With 25+ Years of counterfeit & fraud detection experience Dri Mark designed their unique UV Pro flashlight as an instant & reliable way to check for counterfeit currency & fraudulent secure documents. UV Pro is Dri Mark's most powerful UV device. Utilizing 6 proprietary, high quality optimal short wave UV LEDs making it the most advanced ultraviolet light available for effective visibility of UV features. Includes 3 AAA batteries, adhesive coil + U.S. $ guide sticker.

PROTECT YOUR PROFITS: Catch a counterfeit & it pays for itself, Perfect for detecting U.S. “bleached” bills. These are $1 & $5 bills that have had the ink removed & over-printed with a higher denomination. Reveals the hidden security stripe which cannot be duplicated by counterfeiters in U.S. currency. Detects UV features in most paper currencies, E.g. the Euro, British Pound, Japanese Yen, Swiss Franc, Chinese Yuan & Hong Kong Dollar. If used properly, the UV Pro Plus is nearly 100% effective.

FRAUD DETECTION: UV Light is great for authenticating passports, credit cards, traveler’s checks, drivers licenses & other official documents. Designed for Small to Large businesses, our instant verification system is perfect for catching counterfeit items in any fast paced retail environment. Catch the fraud without slowing the line. Perfect for restaurants & bars to security personnel, government agencies & transportation hubs whenever its critical to authenticate ID.

INSTANTLY AND EASILY DETECT FAKE BILLS - Detects washed bills with powerful UV LED light; a fast and accurate counterfeit checker using the original counterfeit detection pen and backlight: Contains Tri Test Counterfeit Detection Machine, authenticator marker, and AC power adapter; NOTE - when UV light is turned on it activates when a bill is placed on the Tri Test

3 TESTS IN ONE COUNTERFEIT MACHINE : PAPER TEST- Authenticator pen tests for genuine currency paper; UV TEST - Checks for embedded security strip on US currency 5 dollars and larger; WATERMARK TEST - Backlight reveals watermarks and other security features on other forms of identification

COMPACT AND PORTABLE: operates on included AC adapter or 3 "C" batteries (optional) Reveals UV security markings on drivers licenses, credit cards, passports, international currencies, cashier's checks, money orders and more.

INSTANTLY AND EASILY DETECT FAKE BILLS - Prevent profit loss with this fast, accurate, effective counterfeit tester; Marker pen detects genuine US currency paper; Simply draw a mark on a dollar bill: dark mark means fake; light mark passes test; Includes 3 Checker Pens

DRI MARK PENS WILL OUTLAST AND OUTPERFORM others made offshore; Precision fitted parts ensure long shelf life and no-dry-out if recapped; The Dri Mark Counterfeit bill detection pen is the original and is still the top quality, USA-made checker; Trust the original; Accept no substitute

SMALLER PEN, 3 TIMES THE INK - Dri Mark's Pocket Size Counterfeit Bill Detector Pen has 3 times the ink and is almost an inch shorter than previous models; Smaller size fits in your pocket so you can take it with you anywhere; Designed for Small to Large businesses such as restaurants, banks, retail stores and entertainment venues

Double your capabilities.

Powerful LED with reusable ultraviolet light cap makes it easy to check UV security threads.

Highly effective on U.S. and foreign currencies, passports, cashier's checks and money orders.

FIVE COUNTERFEIT DETECTION METHODS - Prevent profit loss with this fast, accurate, counterfeit detector machine. Tests 5 different aspects of currency, security strips, magnetic ink, infrared features, color and size

INSTANTLY AND EASILY DETECT FAKE BILLS IN 1 SECOND: Large clear LCD display indicates suspected fake bills with audible alarm, easily fits in tight spaces, measures 4.5 " W x 5.5" L x 3.5" H

PORTABLE: includes ac adapter but also runs on 4 AA batteries (optional), perfect for use at pop up stores, flea markets, remote booths and garage sales

Three test system for detecting counterfeit currency, driver's licenses, passports and more.

Three tests provide superior counterfeit bill detection.

Detects washed or bleached bills.

Sold as 1 EA.

Simply make a small mark on U.S. currency. Chemically sensitive ink works instantly.

Amber mark passes the test, while a dark brown or black mark means the bill is suspect.

Office Supplies

Sold as 1 EA.

Three tests provide superior counterfeit bill detection.

Detects washed or bleached bills.

INSTANTLY AND EASILY DETECT FAKE BILLS - Prevent profit loss with this fast, accurate, effective counterfeit tester. Marker pen detects genuine US currency paper and the dual test UV light detects security strips. Simply draw a mark on a dollar bill: dark mark means fake; light mark passes test. Includes 5 Checker Pens and 4 Dual Test pens

2 TESTS IN 1- PROTECT YOUR PROFITS: Security strip test: powerful UV light is embedded in the cap and is easy to activate; The LED bulb reveals the hidden security stripe found in all 5 dollar bills and higher. Currency paper test: counterfeit marker pen detects genuine US currency paper. Catch a counterfeit bill and it pays for itself

FRAUD DETECTION - AUTHENTICATOR: Strong, Compact, Simple; UV Light is great for authenticating passports, credit cards, traveler's checks, and drivers' licenses; Protect your liquor license by identifying fake IDs; Designed for Small to Large businesses such as restaurants, banks, convenience, retail stores and entertainment venues; Catch the fraud without slowing the line

NSTANTLY AND EASILY DETECT FAKE BILLS - Prevent profit loss with this fast, accurate, effective counterfeit checker. Dual Detector system finds bad bills with the original counterfeit bill detector pen and UV light; An instant and reliable way tester for counterfeit currency; Includes 5 Dual Detector Combos UV light pens

2 TESTS IN 1- PROTECT YOUR PROFITS: Security strip test: powerful UV light is embedded in the cap and is easy to activate; The LED bulb reveals the hidden security stripe found in all 5 dollar bills and higher to help detect bleached bills. Currency paper test: counterfeit marker pen detects genuine US currency paper. Catch a counterfeit bill and it pays for itself

FRAUD DETECTION - AUTHENTICATOR: Strong, Compact, Simple; UV Light is great for authenticating passports, credit cards, traveler's checks, and drivers' licenses; Protect your liquor license by identifying fake IDs; Designed for Small to Large businesses such as restaurants, banks, convenience, retail stores and entertainment venues; Catch the fraud without slowing the line

Dri Mark Products Inc Counterfeit Detector UV Pen, Black

Ultraviolet penlight reveals UV-sensitive security markings on 1996 series or newer U.S. currency of greater than $1 denomination.

Simply mark a line on a bill; if the mark turns dark, the bill is suspect.

UV light also works on many foreign currencies, major credit cards, passports, travelerâ€s checks and more.

INSTANTLY AND EASILY DETECT FAKE BILLS - Prevent profit loss with this fast, accurate, effective counterfeit tester. Marker pen detects genuine US currency paper. Simply draw a mark on a dollar bill: dark mark means fake; light mark passes test. Includes 15 Checker Pens.

DRI MARK PENS WILL OUTLAST AND OUTPERFORM others made offshore. Precision fitted parts ensure long shelf life and no-dry-out if recapped. The Dri Mark Counterfeit bill detection pen is the original and is still the top quality, USA-made checker. Trust the original. Accept no substitute.

SMALLER PEN, 3 TIMES THE INK - Dri Mark's "Pocket Size" Counterfeit Bill Detector Pen has 3 times the ink and is almost an inch shorter than previous models. Designed for Small to Large businesses such as restaurants, banks, retail stores and entertainment venues.