Certainly, here are the key details about UK banknotes:
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The official currency of the United Kingdom is the British pound sterling (GBP). The Bank of England is responsible for issuing UK banknotes.

The current Bank of England banknotes in circulation are:

£5 note - Featuring Sir Winston Churchill
£10 note - Featuring Jane Austen
£20 note - Featuring JMW Turner
£50 note - Featuring Alan Turing
The Bank of England also previously issued £1, £2, £5, £10, £20, £50 and £100 notes, but these are no longer in general circulation.
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Some additional details about UK banknotes:

The banknotes are made of a polymer (plastic) substrate, which was first introduced in 2016.
Each denomination features a portrait of the Queen on the front, along with other security features like watermarks, see-through windows, and raised dots.
The reverse sides highlight important historical and cultural figures from the UK
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Banknotes are legal tender in England and Wales. Scotland and Northern Ireland have their own issuing banks but the Bank of England notes are also accepted.
The Bank of England regularly updates the designs and security features of the banknotes to deter counterfeiting.