Bank of England 10s note pence coin was introduced as a replacement for the ten-shilling note. The principal reason for the change was economy: the notes had an average lifetime of about five months whereas coins could last at least fifty years. The series C ten shilling notes ceased to be legal tender on 22 November 1970. In the Isle of Man, both the English and Manx Ten Shilling Notes continued to be legal tender for fifty new pence until 2013. Information taken from Bank of England website. Bank of England 10s note The Bank of England 10s note was a banknote of the pound
Bank of England note issues conditions of war. The Country Bankers’ Act 1826 allowed some joint-stock banks outside London to issue notes, and also allowed the Bank of England to open branches in major provincial cities, enabling better distribution of its notes. With the passing of the Bank Notes Act 1833, Bank of England notes over £5 in value were first given the status of "legal tender" in England and Wales, effectively guaranteeing the worth of the Bank's notes and ensuring public confidence in the notes in times of crisis or war. The Currency and Bank Notes Act 1954 extended the definition of legal tender