AUS$20
Prior to their withdrawal, the One Dollar note was the smallest Australian bank note in circulation. Currently, the Five Dollar is the smallest denomination bank note.
It's a proper term for paper currency, where the bill was issued by a specific bank, such as the Bank of England or US Federal Reserve.
yes
The national central bank holds the gold reserve to back the use of paper money. The gold is a security measure that allows the trust of the paper money having worth. Paper money is a note for trading that is used in place of gold.
It is worth exactly one Australian dollar, unless the note is somehow rarer or worth more to a collector.
$500
It is worth exactly one Australian dollar, unless the note is somehow rarer or worth more to a collector.
See the link below to the Reserve Bank of Australia for details of the current Australian Five Dollar note.
2mm-5mm,depend on what is the brand
See the link below to the Reserve Bank of Australia for design features of the current Australian One Hundred Dollar note and all other current Australian banknotes.
Queen Elizabeth II appears on the obverse of the Australian Five Dollar note. She is the nominal or titular head of state of Australia.
The Australian paper One Hundred Dollar note (grey) was first issued in 1984 and last issued in 1991. For any estimate of value, the serial number and signatories would need to be known.