Asked in British Coins
What is the value of a Bank of England Ten Shilling note Chief Cashier J S Fforde and serial number C04N 307762 in mint unissued condition?
A Bank of England 196? Ten Shilling note (Series C - red/brown)(J S Fforde - serial C04N), uncirculated and in absolute mint condition could fetch anything up to £10 GBP. If it has been circulated but still in good condition, it might fetch anything up to £4 GBP.
A reputable coin dealer will be able to give a more accurate valuation.