Commercial banks in Hong Kong issue currency under the supervision of the Hong Kong Monetary Authority (HKMA). The HKMA serves as the territory’s de facto central bank, responsible for monetary and financial stability. Hong Kong banknotes and Hong Kong dollar coins are issued by the HKMA. Hong Kong banknotes are issued in HK$10, HK$20, HK$50, and HK$100 denominations. Hong Kong dollar coins are available in denominations of ten cents, twenty cents, fifty cents, and one Hong Kong dollar.Commercial banks in the United Kingdom issue currency under the supervision of the Bank of England. The Bank of England is the central bank of the United Kingdom, and it is in charge of monetary and financial stability. Bank of England notes and Scottish banknotes are the two types of notes issued by the Bank of England. The Bank of England issues notes in denominations of £5, £10, £20, and £50. The denominations of Scottish banknotes are £5, £10, £20, and £50.