Check the paper texture for a crisp, slightly rough feel
Hold the bill to the light to verify the watermark
Look for the security thread embedded in the note
Tilt the bill to see color-shifting ink
Examine the microprinting with a magnifier
Compare the portrait and details with a genuine bill
Inspect the serial numbers for consistency and alignment
Check for raised printing on authentic notes
Use ultraviolet light to confirm security features
Compare the bill against a known genuine bill of the same denomination
Watch for blurry edges, poor color quality, or uneven printing
Verify the bill’s size and proportions
Check for missing or incorrect security features
Be cautious of bills that feel too smooth or too thick
Use a counterfeit detection pen only as a quick screening tool