A Bank of England 1971 One Pound note (Series C - green)(Chief Cashier J.B. Page - serial S89M), uncirculated and in absolute mint condition could fetch anything up to £25 GBP. If it has been circulated but still in good condition, it might fetch anything from £6 to £10 GBP.
A reputable coin dealer will be able to give a more accurate valuation.
A combination of the Chief Cashier and the serial number can pin the note down to a year or two.
A Bank of England One Pound note (Series C - green)(Chief Cashier J.S. Fforde - serial S54L), uncirculated and in absolute mint condition could fetch anything up to £6 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.
A Bank of England Five Pound note (Series D - blue)(Chief Cashier J.B. Page - serial 02N), uncirculated and in absolute mint condition could fetch anything from £5 up to £30 GBP. If it has been circulated but still in good condition, it might fetch anything from £8 to £15 GBP. A reputable coin dealer will be able to give a more accurate valuation.
A Bank of England One Pound note (Series C - green)(Chief Cashier J.S. Fforde - serial N34B), uncirculated and in absolute mint condition could fetch anything up to £6 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.
A Bank of England One Pound note (Series D - green)(Chief Cashier J.B. Page - serial 54X) uncirculated and in absolute mint condition could fetch anything up to £5 GBP. If it has been circulated but still in good condition, it might fetch anything up to £3 GBP. A reputable coin dealer will be able to give a more accurate valuation.
A Bank of England One Pound note (Series A - green)(Chief Cashier K.O. Peppiatt - serial Z29D) uncirculated and in absolute mint condition could fetch anything up to £45 GBP. If it has been circulated but still in good condition, it might fetch anything from £3 to £25 GBP. A reputable coin dealer will be able to give a more accurate valuation.
A Bank of England 1940? Ten Shilling note (Series A - red/brown)(Chief Cashier K.O. Peppiatt - serial E53D), uncirculated and in absolute mint condition could fetch anything up to £65 GBP. If it has been circulated but still in good condition, it might fetch anything from £20 to £34 GBP. A reputable coin dealer will be able to give a more accurate valuation.
A Bank of England Ten Shilling note (Series A - red/brown)(Chief Cashier L.K. O'Brien - serial number B15Y), uncirculated and in absolute mint condition could fetch anything up to £40 GBP. If it has been circulated but still in good condition, it might fetch anything from £10 to £18 GBP. A reputable coin dealer will be able to give a more accurate valuation.
A Bank of England One Pound note (Series A - green)(Chief Cashier K.O. Peppiatt - serial J84A), uncirculated and in absolute mint condition could fetch anything from £5 up to £60 GBP. If it has been circulated but still in good condition, it might fetch anything from £15 to £35 GBP. A reputable coin dealer will be able to give a more accurate valuation.
A Bank of England 1975 Ten Pound note (Series D - brown)(Chief Cashier J.B. Page - serial B56), uncirculated and in absolute mint condition could fetch anything up to £40 GBP. If it has been circulated but still in good condition, it might fetch anything up to £25 GBP. A reputable coin dealer will be able to give a more accurate valuation.
A Bank of England 194? Ten Shilling note (Series A - red/brown)(Chief Cashier K.O. Peppiatt - serial J19D), uncirculated and in absolute mint condition could fetch anything up to £80 GBP. If it has been circulated but still in good condition, it might fetch anything from £30 to £65 GBP. A reputable coin dealer will be able to give a more accurate valuation.
A Bank of England 193? Ten Shilling note (Series A - red/brown)(Chief Cashier B. G. Catterns - serial V99 281094), uncirculated and in absolute mint condition could fetch anything up to £320 GBP. If it has been circulated but still in good condition, it might fetch anything from £80 to £200 GBP. A reputable coin dealer will be able to give a more accurate valuation.
A Bank of England Ten Shilling note (Series C - red/brown)(Chief Cashier J S Fforde - serial D01N), 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.