In 1992, a new £5 note featuring George Stephenson launched. It was tweaked again for security reasons in 2002, and Stephenson was swapped for Elizabeth Fry. The Bank of England's notes have become increasingly forge-proof over time with features like security threading and microprinting now standard. The £10 note got a revamp in 1992 with Florence Nightingale replaced by Charles Darwin, who remained on the note until 2018.

Some currency has been made with errors, but it's not all bad. Discover these Modern coins with mistakes worth more than their face value

How the British pound has changed over time