The Australian 1966 50 cent coin was the first and only round Australian 50 cent coin to be minted. All subsequent 50 cent coins were dodecagonal or 12 sided. It was also the first and only Australian decimal coin to ever contain any precious metals.
An Australian 1966 round 80% silver 50 cent coin (Elizabeth II)(minted in Canberra), uncirculated and in absolute mint condition could fetch up to $12 AUD.
There were 36.252 million minted.
An Australian 1966 round 80% silver 50 cent coin (Proof)(Elizabeth II)(minted in Canberra), uncirculated and in absolute mint condition could fetch up to $100 AUD.
Their composition was 80% silver, 20% copper.
They were withdrawn from circulation fairly quickly after decimalisation because somebody figured out that the silver content of the coin was worth more than 50 cents after steep rises in the price of silver in the mid 1960's.
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. 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 Australian 2 cent coin was first issued in 1966 on the introduction of decimal currency.
Such a coin does not exist. The Australian "cent" coins were first introduced in 1966.
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.