An Australian 1983 20 cent coin, uncirculated and in absolute mint condition could fetch up to $28 AUD. An Australian 1983 20 cent coin (Proof), uncirculated and in absolute mint condition could fetch up to $25 AUD. There were 55.113 million minted. These coins are still in circulation so, unless they are part of a proof set or are uncirculated and in absolute mint condition, they are worth 20 cents. A reputable coin dealer will be able to give a more accurate valuation.
An Australian 1978 20 cent coin, uncirculated and in absolute mint condition could fetch up to $3 AUD.
There were 37.432 million minted.
These coins are still in circulation so, unless they are part of a proof set or are uncirculated and in absolute mint condition, they are worth 20 cents.
An Australian 1978 20 cent coin (Proof), uncirculated and in absolute mint condition could fetch up to $7 AUD.
A reputable coin dealer will be able to give a more accurate valuation.
An Australian 1987 cupro-nickel 20 cent coin was only ever released as part of a Mint set.
An Australian 1987 cupro-nickel 20 cent coin (Elizabeth II)(Proof), uncirculated and in absolute mint condition could fetch up to $10 AUD.
A reputable coin dealer will be able to give a more accurate valuation.
Such a coin does not exist. The first Australian 10 cent coin was issued in 1966.
Such a coin does not exist. The Australian 2 cent coin was first issued in February 1966.
There is no Australian 1954 20 cent coin. Decimal currency was introduced in 1966.
There is no Australian 1950 20 cent coin. Decimal currency was introduced in 1966.
Such a coin does not exist. The first Australian 20 cent coins were issued in 1966.
Such a coin does not exist. There were no Australian 1967 50 cent coins minted.
Such a coin does not exist. The first Australian 20 cent coins were issued in 1966.
Such a coin does not exist. The Australian "cent" coins were first introduced in 1966.
Such a coin does not exist. The Australian 2 cent coin was first issued in 1966 on the introduction of decimal currency.
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.
Such a coin does not exist. The first Australian 2 cent coin was issued in 1966.
The Australian 2 cent coin was introduced at the changeover to decimal currency in 1966. There were no Australian "cent" coins minted prior to 1966.