Banknote Blog

Collector's Guide · July 2026 · 9 min read Fancy Serial Numbers on Banknotes: The Complete Collector's Guide Two identical banknotes in identical condition can be worth wildly different amounts because of eight little digits. Here is every major fancy serial number type, why collectors chase them, and how to check the notes already in your drawer. Quick answer: A fancy serial number is any serial number collectors consider special because of its pattern or position in the print r …