The Reserve Bank of Australia "invented" all of Australia's currency. The original paper Ten Dollar note was designed by Gordon Andrews in 1964, and first issued on the 14th of February, 1966. The current polymer Ten Dollar note was designed by Max Robinson and was first issued in November, 1993.
No.
Such a banknote does not exist. The Australian One Hundred Dollar note was first issued in 1984.
I think not, whoever she is.
Enid Lyons has never appeared on an Australian banknote.
The Australian Fifty and One Hundred Pound notes were withdrawn from circulation in 1945.
No. Captain Cook has yet to make an appearance on any Australian banknote.
You could take it to a reputable coin dealer or advertise it on eBay.
There is no documented evidence that anybody has found an Australian Five Dollar note without the signatures. Assuming that your Five Dollar note is a legitimate Australian Legal Tender banknote and it also includes the Legal Tender declaration and a serial number, it would be very rare. Any such banknote should not have got past the quality control at Note Printing Australia.
There has only been one Australian banknote that had the same faces on it for over 20 years and featured a "her". The original paper Australian Five Dollar note released between 1967 and 1991, had Sir Joseph Banks (Botanist) on the front, and Caroline Chisholm (Philanthropist) on the back.
Australia has never produced a 15 (anything) coin or banknote.
Edmund Barton has not appeared on any Australian banknote to date. The only politician to have ever graced an Australian banknote was Sir Henry Parkes on the 2001 Centenary of Federation Five Dollar note, he being one of the major motivational forces leading to the Federation of Australia.
The Australian Five Dollar note was the first polymer banknote to be released into circulation completely replacing the paper predecessor, and was the first polymer banknote to be successfully integrated into the currency in the world. It also has an impressive list of security features and gadgets to foil counterfeiting.