Scottish pound exchange rate - the same as British pound ?

Is the currency exchange rate of Scottish pound the same as exchange rate of British pound sterling ? Are there any differences between these currencies ?

The Scotland has its own money banknotes with specific design, but the Scottish pound is not an official currency. Their official currency is Pound sterling - GBP. They are using pound sterling bank notes with the Bank of Scotland design. The exchange rate of Bank of Scotland notes is the same as the exchange rate of Bank of England notes.