answers: 2007
context: longer and narrower, and were the first ten-shilling notes to feature a portrait of Queen Elizabeth II on the front. The reverse design incorporated the logo of the Bank of England. In the late 1960s it was decided that future banknotes should feature a British historical figure on the reverse. The first such note was the series D £20 note, first issued in 1970, featuring William Shakespeare. A design for a ten-shilling note featuring Walter Raleigh on the reverse was approved in 1964 but was never issued. Instead, in 1969, as part of the process of decimalisation, a new fifty </s> Bank of England £10 note The Bank of England £10 note, also known as a tenner, is a banknote of the pound sterling. It is the second-lowest denomination of banknote issued by the Bank of England. The current polymer note, first issued in 2017, bears the image of Queen Elizabeth II on the obverse and the image of author Jane Austen on the reverse. The final cotton paper note featuring a portrait of naturalist Charles Darwin, first issued in 2000, was withdrawn from circulation on 1 March 2018, thereby replacing the cotton with a more fit material. Ten pound notes </s> a dashed line, yet appears as a single line when held up to the light. Series D notes were phased out in favour of the newer series E notes beginning in 1991. These notes were multicoloured (predominantly mauve-purple) and featured an image of scientist Michael Faraday on the back. Series E notes were replaced by a variant design from 1999 onwards. These are broadly similar to the earlier series E notes but feature Edward Elgar on the reverse. The current £20 note was introduced in 2007. It features a portrait of Scottish economist Adam Smith on the back as well
question: when did the current £ 20 note come out