There is a big distinction between "damaged" and "error".
If it is not too badly damaged and still identifiable as a 10 cent coin, it is worth 10 cents.
If there is a minting error such as being struck upside down or parts of the design are missing or over struck, it may have some value as a collectible coin.
There is no Australian "cent" from 1939. Decimal currency was introduced in Australia in 1966.
There is no Australian "cent" from 1938. Decimal currency was introduced in Australia in 1966.
Such a coin does not exist. The Australian "cent" coins were first introduced in 1966.
i have a book of Australian stamps from 2006 and it says the mini sheet is worth $2.50
Such a coin does not exist. The first and only round Australian 50 cent coin issued for circulation was issued in 1966. There was a round commemorative Proof coin issued in 2006, but not for circulation.
Decimal currency was not introduced into Australia until 1966. There is no such thing as an Australian pre 1966 cent.
There is no Australian 1950 20 cent coin. Decimal currency was introduced in 1966.
There is no Australian 1954 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 10 cent coin was 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.