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
Unionism in the United Kingdom single Parliament of Great Britain at Westminster as well as a customs and monetary union. However, England and Scotland remained separate legal jurisdictions. In 1801, the Acts of Union 1800 united the Kingdom of Great Britain with the Kingdom of Ireland, through two similar independent acts of the Parliament of Great Britain and the Parliament of Ireland. This created the United Kingdom of Great Britain and Ireland on a similar basis to how England and Scotland had been united a century earlier. A campaign to repeal the Union in Ireland began immediately. A series of efforts in the late 19th