Serial number apps

Banknote Expert

Fancy Serial Number Checker: Free US Dollar Bill Serial Lookup Free tool to check a U.S. dollar bill's serial number and find out if it's a rare "fancy" serial (radar, ladder, star note, etc.). Banknote Expert is a free online tool where you enter the serial number of a U.S. bill and instantly see whether it is a fancy serial number such as radar, repeater, ladder, solid, binary or star note. Useful for currency collectors and anyone who wants to know if their bill may be worth more than face value. No signup required.