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In his time at the Bank's Threadneedle Street headquarters, he oversaw considerable changes in how the Bank worked.

Sterling had already failed to hold on to much of the boost from the Old Lady of Threadneedle Street's hawkish turn, as bond markets see the economic fallout from high rates being deleterious, and it slid further against a rising dollar on Friday.

People can also post old notes to the bank in Threadneedle Street in the City of London, to be paid into a bank account, by cheque or, "if you live in the UK and your exchange is worth up to £300", swapped for new-style polymer ones.

Rhetoric from Threadneedle Street and Europe's central bankers today can test those shifts.

Now it's time for the Old Lady of Threadneedle Street to enter stage right and do her routine for the cameras.