For a valuation on any New Zealand banknote, the denomination, design, Chief Cashier and/or Governor and Serial Number would need to be known.
New Zealand has never produced a 50 Shilling coin/note.
The last New Zealand Shilling was minted in 1965.
There were no 1936 New Zealand Shillings minted.
A 1931 Bank of New Zealand Ten Shilling note (serial C), in very good condition, might fetch anything up to $475 NZD.A reputable coin dealer will be able to give a more accurate valuation.
New Zealand has never issued a 20 Shilling coin.
The Maori warrior on the reverse of the New Zealand Shilling does not represent a particular individual. All New Zealand coins have a uniquely New Zealand image, or something relevant to New Zealand history on the reverse. The reverse of the New Zealand One Shilling coin shows a crouching Maori warrior carrying a taiaha.
New zealand value
The last New Zealand Shilling containing any silver at all, was minted in 1946. From 1947 onwards, all New Zealand Shillings were made from a copper-nickel alloy. The last New Zealand Shilling was minted in 1965. The 10 cent coins that replaced them had ONE SHILLING marked on them in 1967, 1968 and 1969.
Twenty dollars
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.
A Reserve Bank of New Zealand Ten Shilling note (Issue 2)(Chief Cashier R.N. Fleming - serial 8C), 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 (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 $75 NZD. A reputable coin dealer will be able to give a more accurate valuation.