Therre were 140.2 million 2006 New Zealand 10 cent coins struck for general circulation.
There were 35,043,0000 New Zealand one cent coins minted for issue in 1974.
New Zealand 20 cent coins have never been minted in gold.
New Zealand 1 cent coins were not issued for general circulation in 1968, 1969, 1977 and 1988. New Zealand 2 cent coins were not issued for general circulation in 1968, 1970, 1978, 1979, 1986 and 1988.
There were 4,337,200 Australian 1997 50 cent coins minted.
The 1 and 2 cent coins were demonetised on the 30th of April, 1990 and the 5 cent coin was also withdrawn and demonetised on the 1st of November, 2006. The 1, 2 and 5 cents coins are no longer considered legal tender.
A New Zealand 2006 50 cent coin, uncirculated and in absolute mint condition could fetch up to $2 NZD. There were 70.2 million minted. A reputable coin dealer will be able to give a more accurate valuation. These coins are still in circulation so, 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 50 cents.
A New Zealand coin with the "Endeavour" on the back would be a 50 cent coin. A New Zealand 1982 50 cent coin, uncirculated and in absolute mint condition could fetch up to $4 NZD. There were 6 million minted. A reputable coin dealer will be able to give a more accurate valuation. NOTE - All New Zealand pre-2006 20 cent coins are no longer legal tender, but they are redeemable for face value at the Reserve Bank of New Zealand.
Of the few Australian general circulation coins that were minted in either 1989 or 1990, there were fewer general circulation 1990 coins minted, making them slightly rarer. 1 cent coins - 1989 - 168 million minted 1990 - 52.99 million minted 2 cent coins - 1989 - 124.5 million minted 1990 - none minted for general circulation 5 cent coins - 1989 - 43 million minted 1990 - 31.81 million minted 10 cent coins - 1989 - 43 million minted 1990 - 23.69 million minted 20 cent coins - 1989 - none minted for general circulation 1990 - none minted for general circulation 50 cent coins - 1989 - none minted for general circulation 1990 - none minted for general circulation 1 Dollar coins - 1989 - none minted for general circulation 1990 - none minted for general circulation 2 Dollar coins - 1989 - 30 million minted 1990 - 8.7 million minted
All New Zealand pre-2006 10 cent coins are no longer legal tender, but they are redeemable for face value at the Reserve Bank of New Zealand. All New Zealand 10 cent coins from 2006 onwards are still in circulation so, 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 10 cents in New Zealand.
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. A New Zealand 1981 cupro-nickel 50 cent coin (QE II), uncirculated and in absolute mint condition could fetch up to $4 NZD. There were 8 million minted. A reputable coin dealer will be able to give a more accurate valuation.
A New Zealand 1992 10 cent coin was only ever available in a set, uncirculated and in absolute mint condition could fetch up to $12 NZD. There were 24,000 minted. A reputable coin dealer will be able to give a more accurate valuation. NOTE - All New Zealand pre-2006 10 cent coins are no longer legal tender, but they are redeemable for face value at the Reserve Bank of New Zealand.
It should be noted that the "rarest" coin is not necessarily the same thing as the "most valuable" coin. The New Zealand 1935 Crown (Five Shillings)(Waitangi) is New Zealands rarest coin and possibly the most valuable general circulation coin, in this case. There were 660 general circulation coins minted and 468 Proof coins minted. There are quite a few New Zealand coins with various minting errors and other little peculiarities, but known quantities of these usually number in the thousands.