A Reserve Bank of New Zealand Ten Shilling note (Issue 2)(Chief Cashier T.P. Hanna - serial 2J - number over letter), uncirculated and in absolute mint condition could fetch anything up to $800 NZD. If it has been circulated but still in good condition, it might fetch anything from $30 to $300 NZD.
A reputable coin dealer will be able to give a more accurate valuation.
A Reserve Bank of New Zealand Ten Shilling note (Issue 2)(Chief Cashier R.N. Fleming - serial 9J - with security thread), uncirculated and in absolute mint condition could fetch anything up to $150 NZD. If it has been circulated but still in good condition, it might fetch anything from $18 to $75 NZD. A reputable coin dealer will be able to give a more accurate valuation.
A Reserve Bank of New Zealand Ten Shilling note (Issue 2 - Chief Cashier T P Hanna - serial A3 320306), uncirculated and in absolute mint condition could fetch up to $1,600 NZD. If it has been circulated but still in good condition, it might fetch anything from $90 to $600 NZD. A reputable coin dealer will be able to give a more accurate valuation.
A Reserve Bank of New Zealand Ten Shilling note (Issue 1 - Serial 5Z - Governor L. Lefeaux), uncirculated and in absolute mint condition could fetch anything up to $5,500 NZD. If it has been circulated but still in good condition, it might fetch anything from $130 to $2,750 NZD. A reputable coin dealer will be able to give a more accurate valuation.
A Reserve Bank of New Zealand Ten Shilling note (Issue 1 - Serial 7Z - Governor L. Lefeaux), uncirculated and in absolute mint condition could fetch anything up to $5,500 NZD. If it has been circulated but still in good condition, it might fetch anything from $130 to $2,750 NZD. A reputable coin dealer will be able to give a more accurate valuation.
A Reserve Bank of New Zealand Ten Shilling note (Issue 2)(Chief Cashier R.N. Fleming - serial 9K), uncirculated and in absolute mint condition could fetch anything up to $150 NZD. If it has been circulated but still in good condition, it might fetch anything from $18 to $65 NZD. A reputable coin dealer will be able to give a more accurate valuation.
A Reserve Bank of New Zealand Ten Shilling note (Issue 2 - Serial 1L - Chief Cashier R. N. Fleming), uncirculated and in absolute mint condition could fetch anything up to $160 NZD. If it has been circulated but still in good condition, it might fetch anything from $18 to $65 NZD. A reputable coin dealer will be able to give a more accurate valuation.
A Reserve Bank of New Zealand Ten Shilling note (Issue 2 - Serial 4L - Chief Cashier R. N. Fleming), uncirculated and in absolute mint condition could fetch anything up to $150 NZD. If it has been circulated but still in good condition, it might fetch anything from $18 to $75 NZD. A reputable coin dealer will be able to give a more accurate valuation.
A Reserve Bank of New Zealand Ten Shilling note (Chief Cashier - R.N. Fleming)(serial 1E 065960 - without security thread), uncirculated and in absolute mint condition could fetch anything up to $550 NZD. If it has been circulated but still in good condition, it might fetch anything from $45 to $225 NZD. A reputable coin dealer will be able to give a more accurate valuation.
Such a banknote does not exist. Serial Y is possibly from 1938.A Reserve Bank of New Zealand Ten Shilling note (Issue 1)(Governor L Lefeaux - serial Y), uncirculated and in absolute mint condition could fetch anything up to $6,500 NZD. If it has been circulated but still in good condition, it might fetch anything from $150 to $3,500 NZD.A reputable coin dealer will be able to give a more accurate valuation.
For a valuation on any New Zealand banknote, the denomination, design, Chief Cashier and/or Governor and Serial Number would need to be known.
Might your Ten Shilling note possibly a Reserve Bank of New Zealand note, and the Chief Cashier R.N. Fleming?
A Reserve Bank of New Zealand Ten Shilling note (Issue 2)(Chief Cashier R.N. Fleming - serial 8L), uncirculated and in absolute mint condition could fetch anything up to $150 NZD. If it has been circulated but still in good condition, it might fetch anything from $18 to $65 NZD. A reputable coin dealer will be able to give a more accurate valuation.