There were no Australian commemorative coins issued in 1979. The only Australian decimal coin to have the Coat of Arms on it is the non-commemorative 50 cent coin.
The first Australian Dollar coin was issued in 1984.
Such a coin does not exist. The first Australian 10 cent coin was issued in 1966.
Such a coin does not exist. The Australian One Dollar coin was first issued in 1984.
Such a coin does not exist. The Australian Two Dollar coin was first issued in 1988.
The first Australian "Baby" coin sets were produced in 1993.
The first Australian Two Dollar coin was issued in 1988.
Such a coin does not exist. The Australian 2 cent coin was first issued in February 1966.
Such a coin does not exist. The Royal Australian Mint has never produced a Two Pence coin.
Such a coin does not exist. The Australian 1 cent coin was first issued in 1966. The Australian One Penny coin was issued from 1911 to 1964 inclusive.
An Australian 1979 1 cent coin, uncirculated and in absolute mint condition could fetch up to $2 AUD. An Australian 1979 1 cent coin (Proof), uncirculated and in absolute mint condition could fetch up to $4 AUD. There were 130.339 million minted. They are no longer in circulation, but unless they are part of a proof set or as previously described, they are worth 1 cent. A reputable coin dealer will be able to give a more accurate valuation.
Such a coin does not exist. The Australian 2 cent coin was first issued in 1966 on the introduction of decimal currency.