Australia did not strike any halfpennies until 1911, so the coin you're referring to is most likely English.
Nothing. Modified coins have no collector value.
You need to include the date from the penny and rough idea about the condition before a realistic answer can be given.
The value of an orange one half penny varies by the year of the penny and the condition.
At least $0.01 Australian.Beyond that it's virtually impossible to tell sight unseen. You would need to take it to a dealer.
The British Half Penny was no longer issued after 1984.
The British Half Penny was no longer issued after 1984.
The value of the 1910 1955 penny stamp value is one pound.
There was never a gold half penny issued by the U.S. Mint.
The 1910 1955 half penny stamp value of silver jubilee is two pounds.
The value of an 1813 one half penny token varies by where the token originated.
It is a British Penny and a US coin cut in half and stuck to each other. It has no value.
the value was less than half of our penny today