Fun fact: Bank of England bank notes, denominated in £ sterling, still have printed on them:
"I promise to pay the bearer on demand the sum of <value> pounds"
Signed by the Chief Cashier of the BoE
"I promise to pay the bearer on demand the sum of <value> pounds"
Signed by the Chief Cashier of the BoE
The current legal basis is the Banknotes (Scotland) Act 1845: https://www.scotbanks.org.uk/history/banknote-history.html