Check the paper texture
Look for watermarks
Inspect the security thread
Tilt the bill to see color-shifting ink
Verify microprinting
Examine the printing quality
Compare the bill to a known genuine note
Use ultraviolet light if available
Check for raised printing
Confirm serial numbers are consistent
Look for blurred edges or smudging
Check the bill’s size and alignment
Feel for embedded security features
Verify the portrait details
Inspect the note under magnification