Hold the note up to the light. See the metallic strip running down the left side? On a real one, it’s a continuous, solid line, not dots or dashes. It literally disappears into the paper, like a magic trick you can see happening.
Brits warned about fake £20 notes in circulation - here's how to spot a
Look closer (still against the light). Near the top, you’ll see a tiny window with a hologram that changes. When you tilt it, the image flips between a pound symbol (£) and the number “20.” It’s like a mini, money-themed kaleidoscope.
If the hologram is blurry, stuck on one image, or looks like a cheap sticker? You’ve probably got a dud on your hands. A real one shifts smoothly, like a cat stretching in the sun.
