Bank of England £1 note still occasionally found in circulation in Scotland, alongside Royal Bank of Scotland £1 notes. This is because Scotland has no concept of Legal Tender, and any Sterling bank note, of any age, may be used provided the trader is content to accept it. The Bank of England will exchange old £1 notes for their face value in perpetuity. Information taken from Bank of England website. Bank of England £1 note The Bank of England £1 note was a banknote of the pound sterling. After the ten shilling note was withdrawn in 1970 it became the smallest denomination note issued by
Bank of England £20 note as an illustration of workers in a pin factory. The note features a number of security features in addition to the metallic thread: these include raised print, a watermark, microlettering, a holographic strip, a see-through register, and a colourful pattern which only appears under ultraviolet light. In September 2015 the Bank of England announced that the next £20 note will be printed on polymer, rather than cotton paper. This was followed by an announcement in April 2016 that Adam Smith will be replaced by artist J. M. W. Turner on the next £20 note, which will enter circulation in 2020.