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
Legal tender of this are: Individual coins or banknotes can be demonetised and cease to be legal tender (for example, the pre-decimal United Kingdom farthing or the Bank of England 1 pound note), but the Bank of England does redeem all Bank of England banknotes by exchanging them for legal tender currency at its counters in London (or by post) regardless of how old they are. Banknotes issued by retail banks in the UK (Scotland and Northern Ireland) are not legal tender, but one of the criteria for legal protection under the Forgery and Counterfeiting Act is that banknotes must be payable