One cent.
I've checked a completed listing of a 1966 Zambia penny on Ebay, and it sold for $7.70 GBP.
It only has face value
$100000000.99
Depends on the year and condition.
It's worth 2 cents for the copper.
Face value
It's a common date, worth 2 cents for the copper.
Face value
It would depend on the province that minted it and the condition.
The last Australian Penny was minted in 1964. Their place in the Australian currency was replaced by the 1 cent coin in 1966.
$2000