...Of what US coin? There have been several US coins intended for circulation ranging from half a cent to $20.
This coin is called an Eagle. It was minted until 1933 when the USA went off the gold standard and gold coins were no longer legal tender in the US. All existing gold coins were to have been withdrawn from circulation.
The first "Australian" coins were put into circulation in 1910. They included the Threepence, Sixpence, Shilling and Florin (Two Shillings).
This coin is called an Eagle. It was minted until 1933 when the USA went off the gold standard and gold coins were no longer legal tender in the US. All existing gold coins were to have been withdrawn from circulation.
The name beside a harp on euro coins is ÉIRE. That is the Irish name for Ireland, and the coins with it on it are Euro coins from Ireland. They are accepted in any of the countries that use the Euro. Other countries would have different symbols and words on their Euro coins.
No Australian coins were in circulation in 1891. Australia got its first installment of coins from the Royal Mint in London in 1910, including the Threepence, Sixpence, Shilling and Florin. The Pennies and Halfpennies followed in 1911. Any coins circulating in Australian prior to 1910 would have been British coins. Many traders minted their own tokens for varying amounts, but these could only be used in the business bearing the name and address of the trader concerned.
The first "Australian" coins were put into circulation in 1910. They included the Threepence, Sixpence, Shilling and Florin (Two Shillings).
I googled it and it still has the same name.
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Uh, gold. Of course pure gold is too soft to have been used in making circulation coins, so U.S. coins were generally made of an alloy consisting of 90% gold and 10% other harder metals. The 10% was mostly (or all) copper.
Numismatics is the study of coins.
It does, but by a different name. One of which I'm not sure of. Sorry(: