Perth
Perth is Australia's fourth-most-populous city, having overtaken Adelaide's population in 1984. In June 2017 there were an estimated 2,022,044 residents in the Greater Perth area, representing a population increase of approximately 1.0% from the 2015 estimated population of 2,002,114.
Perth Mint
In October 2011, the Perth Mint created the world's largest, heaviest and most valuable gold coin, breaking the record previously held by the Royal Canadian Mint. The coin is approximately in diameter and thick, and made of of 99.99% pure gold. It features, on the obverse side, the effigy of Elizabeth II, and a red kangaroo on the reverse side. It is legal tender in Australia with face value 1 million, but at the time of minting it was valued at 53.5 million.