The Royal Bank of Scotland £1 note those holding genuine Bank of England notes. In 1727, the Royal Bank of Scotland began issuing twenty-shilling notes (equivalent to £1). Early banknotes were monochrome, and printed on one side only. The first twenty-shilling notes were dated 8 December 1727 and were hand-signed by a bank cashier and given a unique number. The cashier also added by hand the equivalent value in old Scots pounds — a currency that had been abolished 20 years earlier in the Acts of Union 1707 which united the Kingdoms of England and Scotland into the Kingdom of Great Britain. Twenty shillings was equivalent to
Acts of Union 1707 30 representatives each from Scotland and Ireland added to the existing English members. While it established free trade within the Commonwealth, the economic benefits were diminished by the heavy taxation needed to fund the army. In Scotland, Union was associated with military occupation, in England with heavy taxes and had little popular support in either country. It was dissolved by the 1660 Restoration of Charles II despite a petition by Scottish members of the Commonwealth Parliament for its continuance. The Scottish economy was badly damaged by the English Navigation Acts of 1660 and 1663 and wars with the Dutch Republic,