These notes are still potentially in circulation so, unless they are Uncirculated or are part of a packaged set in mint condition, they are worth Ten Dollars.

A Reserve Bank of New Zealand 2000 Millennium Ten Dollar note with red serial number, uncirculated and in absolute mint condition, could fetch anything up to $30 NZD.

I can find no reference to a "red stamp", but you may refer to the two ferns in the clear window which may appear red in the right light.

A reputable coin dealer will be able to give a more accurate valuation.

A Reserve Bank of New Zealand 1940 to 1955 One Pound note (Chief Cashier T.P. Hanna)(depending greatly on the serial number), uncirculated and in absolute mint condition could fetch anything up to $900 NZD. If it has been circulated but still in good condition, it might fetch anything from $40 to $600 NZD.

A reputable coin dealer will be able to give a more accurate valuation.

New Zealands decimal coins have been minted at the following mints -

Royal Mint: 1967, 1975, 1976, 1977, 1990, 1991, 1994, 1995, 2001, 2002, 2003, 2004, 2005, 2008

Royal Australian Mint: 1969, 1970, 1971, 1972, 1973, 1974 and 1988

Royal Canadian Mint: 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1989, 2000, 2006, 2007 and 2008

Norwegian Mint: 1996 and 1997 (Cupro-Nickel coins only)

South African Mint Company: 1997 ($2 coins only), 1998, and 1999

Only the 5 cent coin and various non-circulating coins and sets were struck in 1994.

No coins struck for general circulation: 1968, 1992 and 1993.

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.

A New Zealand 1986 cupro-nickel 50 cent coin (QE II), uncirculated and in absolute mint condition could fetch up to $4 NZD.

There were 5.2 million minted.

A reputable coin dealer will be able to give a more accurate valuation.

NOTE - All New Zealand pre-2006 50 cent coins are no longer legal tender, but they are redeemable for face value at the Reserve Bank of New Zealand.

As with many countries, New Zealand withdrew the 1 and 2 cent coins due to the fact that they had no purchasing power, which subsequently made them expensive to produce. They had effectively become useless coins.

The New Zealand 1 and 2 cent coins were demonetised on the 30th of April, 1990 and are no longer considered legal tender.

The New Zealand 5 cent coin was also withdrawn, and demonetised for the same reasons on the 1st of November, 2006 and are no longer considered legal tender.

NOTE - All New Zealand 1, 2 and 5 cent coins are redeemable for face value at the Reserve Bank of New Zealand.

A New Zealand 1964 bronze Penny (Elizabeth II), uncirculated and in absolute mint condition could fetch up to $5 NZD. If it has been circulated but still in good condition, it might fetch anything up to $1 NZD.

There were 18 million minted.

A reputable coin dealer will be able to give a more accurate valuation.

A New Zealand 1964 cupro-nickel Florin (Two Shillings)(Elizabeth II), uncirculated and in absolute mint condition could fetch up to $18 NZD. If it has been circulated but still in good condition, it might fetch anything from $3 to $5 NZD.

There were 7 million minted.

A reputable coin dealer will be able to give a more accurate valuation.

With the possible exception of traders tokens (with the traders business name on them), there were no "New Zealand" Pennies minted prior to 1940.

Any Pennies circulating in New Zealand prior to 1940 would have been mostly British Pennies and some Australian Pennies.

With the possible exception of traders tokens (with the traders business name on them), New Zealand has never issued a Farthing coin.

Any Farthings circulating in New Zealand would have been British Farthings.

Yes.

Queen Elizabeth II has appeared on all New Zealand coins from 1953 to the present day (2012).

A New Zealand 1951 cupro-nickel Florin (Two Shillings)(George VI), uncirculated and in absolute mint condition could fetch up to $110 NZD. If it has been circulated but still in good condition, it might fetch anything from $3 to $30 NZD.

There were 2 million minted.

A reputable coin dealer will be able to give a more accurate valuation.

New Zealand Halfpennies were issued in most years from 1940 until 1965. Decimal currency was introduced in 1967.

Depending on their condition and any peculiarities, a New Zealand Penny could be worth anything from $2 to $450 NZD.

A complete set of New Zealand Pennies from 1940 to 1965 in average condition might get $60 NZD.

With the possible exception of traders tokens (with the traders business name on them), there were no "New Zealand" Shillings minted prior to 1933.

Any Shillings circulating in New Zealand prior to 1933 would have been mostly British Shillings and some Australian Shillings.

The New Zealand 5 cent coin was withdrawn and demonetised on the 1st of November, 2006.

All New Zealand pre-2006 5 cent coins are no longer legal tender, but they are redeemable for face value at the Reserve Bank of New Zealand.

Unless they are part of a Proof or uncirculated mint set or are individual Proof or uncirculated coins and in absolute mint condition, they are worth 5 cents.

The one and only exception to this is the 1967 5 cent coin with "no sea" in the background behind the lizard. This is the only New Zealand general circulation 5 cent coin to have some collector value. Of the 26.3 million coins minted, it is estimated that about 1 million of them are of the "no sea" variety.

A New Zealand 1940 bronze Penny (George VI), uncirculated and in absolute mint condition could fetch up to $65 NZD. If it has been circulated but still in good condition, it might fetch anything from $2 to $35 NZD.

There were 5.424 million minted.

A reputable coin dealer will be able to give a more accurate valuation.

NOTE - 1940 was the first year of issue of the New Zealand Penny.

It looks just like the rest of the Lincoln cents struck on bronze planchets.

New Zealand has never issued a Farthing coin.

New Zealand's own currency was issued progressively from 1933. Copper coins were issued from 1940.

Any Farthings circulating in New Zealand would have been British Farthings which would have been progressively removed from circulation from 1940.

1954 and 1955 are good years for Halfpennies because there were so few minted, but 1942 would be the best year. For Pennies, a 1956 variant is easily the best value, a 1945 variant a distant second and 1941 and 1942 coming third.

A New Zealand 1972 (Coat of Arms) Proof FDC coin set in absolute mint condition and original packaging, could fetch up to $35 NZD.

There were 8,000 sets minted.

A New Zealand 1972 (Coat of Arms) "Toned" uncirculated coin set in absolute mint condition and original packaging, could fetch up to $8 NZD.

A New Zealand 1972 (Coat of Arms) "Superior" uncirculated coin set in absolute mint condition and original packaging, could fetch up to $25 NZD.

There were 8,000 sets minted.

A reputable coin dealer will be able to give a more accurate valuation.

NOTE - All New Zealand 5 cent coins are no longer legal tender, but they are redeemable for face value at the Reserve Bank of New Zealand.

A New Zealand 2002 cupro-nickel 5 cent coin (Elizabeth II), uncirculated and in absolute mint condition could fetch up to $2 NZD.

There were 40.5 million minted.

A reputable coin dealer will be able to give a more accurate valuation.

All New Zealand silver coins from 1933 to 1946 had a silver content of 50%.

From 1947 onwards, all New Zealand "silver" coins were made from a copper-nickel alloy.

New Zealand being a member of the Commonwealth, has Queen Elizabeth II on the obverse of all coins since 1953.

The reverse of the New Zealand 10 cent coin has a carved Maori mask called a "koruru".