A Bank of England 1967 Ten Shilling note (Series C - red/brown)(Chief Cashier J.S. Fforde - serial C01N), uncirculated and in absolute mint condition could fetch anything up to £20 GBP.
These notes are a curiosity because the combination of letters and numbers spells a word, unfortunately, they are not as valuable as you might expect since there could have been as many as a million of them printed if the entire number range of 6 digits was actually printed.
A reputable coin dealer will be able to give a more accurate valuation.
Please check the serial number and provide the name of the Chief Cashier if possible.
Without additional context, the value of a Bank of England Ten shilling note with serial number 18Y 015906 would depend on factors such as its condition, rarity, and demand among collectors. I recommend consulting with a currency appraiser or a numismatic expert for a precise valuation.
It is worth 5 pence if you mean the English shilling
The Australian Ten Shilling note had "Half Sovereign" printed on them from 1915 to 1933. To get a valuation, please provide the serial number and the names of the two signatories.
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 Ten Shilling note (Series C - red/brown)(Chief Cashier L.K. O'Brien - serial T41), circulated but still in good condition, might fetch anything from £2 to £8 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.Q. Hollom - serial 26H), uncirculated and in absolute mint condition could fetch anything £8 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 Ten Shilling note (Series C - red/brown)(Chief Cashier L.K. O'Brien - serial H90), uncirculated and in absolute mint condition could fetch anything £10 GBP. If it has been circulated but still in good condition, it might fetch anything from £2 to £8 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 L.K. O'Brien - serial A12), uncirculated and in absolute mint condition could fetch anything £12 GBP. If it has been circulated but still in good condition, it might fetch anything from £3 to £9 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 70S), uncirculated and in absolute mint condition could fetch anything up to £14 GBP. If it has been circulated but still in good condition, it might fetch anything from £2 to £6 GBP. A reputable coin dealer will be able to give a more accurate valuation.
You have not provided a serial number or a place of issue, but you potentially have a note of value.
A Bank of England Ten Shilling note (Series C - red/brown)(Chief Cashier J.S. Fforde - serial C89N), uncirculated and in absolute mint condition could fetch anything up to £10 GBP. If it has been circulated, not much. A reputable coin dealer will be able to give a more accurate valuation.