Bank of England note issues of the note; these notes are now very rare and sought by collectors. The Stephenson £5 note was withdrawn as legal tender from 21 November 2003, at which time it formed around 54 million of the 211 million £5 notes in circulation. The first Bank of England £10 note was issued in 1759, when the Seven Years' War caused severe gold shortages. Following the withdrawal of the denomination after the Second World War, it was not reintroduced until 21 February 1964 when a new brown-coloured note was issued in the Series C design. The Series C note was withdrawn on
Bank of Ireland £50 note design remained effectively unchanged for 120 years. Northern Irish banknotes are fully backed such that holders have the same level of protection as those holding genuine Bank of England notes. The £50 note is currently the second largest denomination of banknote issued by the Bank of Ireland. The £50 note of the Queen's University Belfast Series was first issued in 2004. This issue features a representation of Hibernia on the front, alongside shields of arms of the six counties of Northern Ireland. The back of this note displays an image of Queen's University Belfast. In 2008 a new series featuring