Not if you consider the fact that the USA has 10x the rate of counterfeit notes: 1/4,000[0] Vs 1/40,000[1]. Obviously there are other factors too but this is li

Not if you consider the fact that the USA has 10x the rate of counterfeit notes: 1/4,000[0] Vs 1/40,000[1]. Obviously there are other factors too but this is likely one of the reasons for deprecating old notes like this. [0] https://en.m.wikipedia.org/wiki/Counterfeit_United_States_currency https://en.m.wikipedia.org/wiki/Counterfeit_United_States_cu... [1] https://www.bankofengland.co.uk/statistics/banknote https://www.bankofengland.co.uk/statistics/banknote