Decimal Day Board. Consideration was given to introducing a new major unit of currency worth ten shillings in the old currency: suggested names included the "new pound", the "royal" and the "noble". This would have resulted in the "decimal penny" being worth only slightly more than the old penny (this approach was adopted, for example, when South Africa, Australia and New Zealand decimalised in the 1960s, adopting respectively the South African rand, Australian dollar and New Zealand dollar equal in value to 10 shillings). But Halsbury decided, in view of the pound sterling's importance as a reserve currency, that the pound should
Manx pound and there is no guarantee of convertibility beyond that given by the Manx authorities. However, the requirement in the island's Currency Act 1992 for the Isle of Man Treasury to exchange Manx Pound banknotes on demand for Bank of England notes in practice restricts the issue of unbacked currency, and the aggregate total of notes issued must be pre-approved by Tynwald. ISO 4217 does not include a separate currency code for the Manx pound, but where code distinct from GBP is desired, "IMP" is generally used. UK notes and coins (whether from banks in England, Scotland, or Northern Ireland) are