About $8-10 in average condition. It might be a dollar more or less depending on its mint mark, but there isn't a lot of variation.
The coin is face value.
If you mean 40 years from 1966, this coin is worth about $2.50 because it is 40% silver. If you mean 40 years from the present, please wait until I can find my crystal ball, LOL!
Australia has never produced a "nickel" coin.
Could you provide more information - in particular any inscriptions on the coin? In 1875 coins were issued by the various German Lander, or states, rather than having a unified federal coinage. The inscription might help to identify where your coin was struck.
Such a coin does not exist. The first Australian 2 cent coin was issued in 1966.
Such a coin does not exist. The first Australian 10 cent coin was issued in 1966.
I won't seal 1966 coins 50c praise
The coin is valued at a price close to $5. The price will vary depending upon the condition of the coin.
Such a coin does not exist. The Australian 2 cent coin was first issued in February 1966.
in good condition 800 $.
Please check the coin's denomination on its back side.
The coin is still in circulation and very common, spend it.