The Pound Sterling is the official currency of the United Kingdom and a range of British territories, and it has been in circulation since 1694. Its ISO 4217 code is GBP, and it is commonly represented by the symbol £. The subsidiary unit of the Pound is the Penny, where 1 Pound equals 100 Pennies. The issuance and management of the Pound are handled by the Bank of England for England and by separate banking institutions in Scotland and Northern Ireland.Currently, there are banknotes in denominations of 5, 10, 20, 50, and 100 Pounds. Additionally, there are coins in values of 1, 2, 5, 10, 20, and 50 Pennies, as well as 1 and 2 Pounds. The British Pound ranks fourth globally in terms of trading volume, and all money changers in Hong Kong provide British Pound exchange services.

The Brunei Dollar (BND), also known as the Brunei Ringgit, is the official currency of Brunei, and it has been in circulation since 1967. It is represented by the ISO 4217 code BND, and its symbol is commonly denoted as $ or BN$. The issuance and management of the Brunei Dollar are the responsibility of the government and financial institutions of Brunei. Currently, there are banknotes in denominations of 1, 5, 10, 20, 25, 50, 100, 500, 1000, and 10,000 Brunei Dollars, along with coins in values of 1, 5, 10, 20, and 50 cents.