What is the situation of Australia's 50 Australian dollars?

Old denomination: 50 yuan front main picture: Flory portrait back main picture: male portrait front main color: brown-green specification: 165×83(mm) SGD ◎ Front: Australian aboriginal writer and inventor David Unapang. On the upper right is the patent for the invention of the wool shearing tool he obtained. At the bottom right is the handwriting of his work "The Legend and Legend of Australian Aborigines". On the left is an indigenous couple and a church in Wu Naipang's hometown, where Wu Naipang was educated. Until now, it has been a place where Australian aborigines live.

◎ Back: edith cowan, Australia's first female MP. On the left is the Pace City Council Building, the capital of Western Australia, where Cohen served as the first female MP in Australian history in 1920. On the right is Cohen who speaks for the rights and interests of women and children. Behind her is a guardian and her four adopted children.