---
product_id: 310974578
title: "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)"
brand: "dri mark"
price: "€ 11.49"
currency: EUR
in_stock: true
url: https://www.desertcart.ie/products/310974578-dri-mark-351b1-counterfeit-bill-detector-marker-pen-made-in
store_origin: IE
region: Ireland
---

# Compact pocket size 3x more ink for extended use Instant chemical detection 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)

**Brand:** dri mark
**Price:** € 11.49
**Availability:** ✅ In Stock

## Summary

> 🖤 Spot fakes before they spot you!

## Quick Answers

- **What is this?** 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) by dri mark
- **How much does it cost?** € 11.49 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/310974578-dri-mark-351b1-counterfeit-bill-detector-marker-pen-made-in)

## Best For

- dri mark enthusiasts

## Why This Product

- Trusted dri mark brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Made in the USA:** Trusted quality and reliability you can count on
- • **Triple Ink Capacity:** Mark more bills without running dry
- • **Portable Fraud Protection:** Fits easily in your pocket or wallet for on-the-go security
- • **Instant Authenticity Check:** Chemical reaction reveals fake bills in seconds
- • **Universal Currency Compatibility:** Works on all U.S. bills from 1959 onward

## Overview

The Dri Mark 351B1 Counterfeit Bill Detector Marker Pen offers a quick, reliable way to verify U.S. currency authenticity. Featuring three times more ink than standard markers, it uses a chemically sensitive formula that instantly marks genuine bills amber and flags counterfeits with dark brown or black. Compact and lightweight, this pocket-sized tool is perfect for professionals who demand fast fraud protection on the move. Made in the USA, it supports all U.S. currency designs from 1959 to present.

## Description

Highly effective and inexpensive tool for detecting bad bills. Simply make a small mark on U.S. currency. Chemically sensitive ink works instantly. An amber mark passes the test, while a dark brown or black mark fails, meaning the bill is likely counterfeit. Works on all new design U.S. currency (bills series 1959 and later).

## Features

- 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.
- Works on all new design U.S. currency (1959 and later).

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | DRI-MARK PRODUCTS |
| Brand | Dri Mark |
| Model number | 351B-1 |
| Product Dimensions | 19.05 x 8 x 1.65 cm; 13.61 g |
| Color | Black |
| Material Type | Not Appilcable |
| Number of Items | 1 |
| Size | 1 Pack |
| Manufacturer Part Number | 351B1 |
| Item Weight | 13.6 g |

## Images

![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) - Image 1](https://m.media-amazon.com/images/I/71cdU3mIIJL.jpg)

## Questions & Answers

**Q: How does the Dri Mark Counterfeit Detector Pen work?**
A: The iodine-based ink reacts with starch in fake bills, turning dark. On real U.S. currency (starch-free), the mark stays light.

**Q: Can it detect foreign bills?**
A: Standard pens are for U.S. bills only. Dri Mark’s Universal Pen can check some foreign currencies but not polymer bills.

**Q: Is it effective on old and new bills?**
A: Yes, it works on all U.S. bills since they all use the same cotton-linen paper without starch.

**Q: Can counterfeiters fool the pen?**
A: Advanced fakes using real paper (like bleached bills) may pass. Use UV lights or other tools for better security.

**Q: How long does the pen last?**
A: It lasts long due to a larger ink supply. Keep the cap on tightly and store it cool and dry to maximize life.

## Frequently Bought Together

- 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)
- HVM Counterfeit Money Detector Pen (5 Counterfeit Pens) - Money Marker Bill Detector Pen with Upgraded Chisel Tip - Detect Fake Bills, Universal False Currency Checker Pack
- Dri Mark Smart Money Counterfeit Detector Pen with Reusable UV LED Light (DRI351UVB)

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.ie/products/310974578-dri-mark-351b1-counterfeit-bill-detector-marker-pen-made-in](https://www.desertcart.ie/products/310974578-dri-mark-351b1-counterfeit-bill-detector-marker-pen-made-in)

---

*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-02-14*