Britain's new £10 note featuring Jane Austen has entered circulation
Britain's New 5-Pound Note Is Chewable, Washable and Harder to Fake - The New York Times
Are the new British £5 and £10 notes washing machine proof? - Quora
Britain's new plastic five pound note revealed
U.K.'s New £10 Note Gets a Fresh Face: Jane Austen - The New York Times
New £20 note: All you need to know about the plastic cash - BBC Newsround
Why are new banknotes made of polymer?
Britain's new 5-pound note to be made of plastic
The most valuable £5 notes - serial numbers and the 'AA' codes to watch for - Mirror Online
A Complete Guide to British Currency