Banknote Blog

Buyer's Guide · July 2026 · 10 min read How to Spot a Fake Zimbabwe 100 Trillion Dollar Note The most widely copied authentication checklist for this note tells you to hold it to the light and find a watermark. The genuine note does not have one and never did. Here is what the P-91 actually carries, why so much published advice is wrong, and how to check a note in about ninety seconds. Quick Answer The genuine 2008 Zimbabwe 100 Trillion Dollar note (Pick P-91) measures 148 mm by …