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Running a cash-based business or just want to be sure the bills you're accepting are real? These counterfeit detector pens make it easy to check currency in seconds. Just mark a small streak on the bill — if it turns light yellow or clear, it's real. If it turns dark brown or black, it's likely fake.
The pens work on a wide range of international currencies, including US dollars, euros, British pounds, Japanese yen, and many more. They're small, portable, and come in a 2-pack so you can keep one at the register and one in your bag.
Simple, effective, and affordable protection against fake money. Perfect for retail stores, flea markets, restaurants, events, or even personal use when traveling.
No batteries or special skills required. Just uncap, test, and have peace of mind.
4.2 out of 5