Bank of England? Last time I checked Great Britain was not part of the Euro zone (and they were going to leave the EU at that), nor was it one of the cantons... What did I miss?
Shouldn't they better ban the British pound first (some part of)?
Bank of England is a shareholder of the ECB and has 13.6743% share of the ECB
https://en.wikipedia.org/wiki/European_Central_Bank#Shareholders