Royal Mint to the Royal Mint opening satellite branches of itself overseas. In Australia, the local Legislative Council petitioned the UK government to establish a branch of the Royal Mint in Sydney (Sydney Mint) after prospector Edward Hargraves discovered gold in Ophir, New South Wales in 1851. The petitioned gain royal assent in 1853 and plans were made by the Deputy Master of the Royal Mint in London to open the Royal Mint's first overseas branch within the colony. The Royal Mint's Superintendent of Coining travelled to Australia to oversee its establishment on Macquarie Street within the southern wing of Sydney Hospital
Royal Australian Mint mint in Australia is the Perth Mint. Planning for the mint started in 1959 when it was proposed to move the Royal Mint branch in Melbourne to Canberra. It was officially opened by The Duke of Edinburgh on 22 February 1965, coinciding with decimal currency, which was introduced into circulation on 14 February 1966. The new mint cost A$5 million to build, with an additional $4 million for equipment. The new mint and the Melbourne Mint operated concurrently while sufficient stockpiles of new coinage were prepared and until it was felt that production in Canberra was proceeding smoothly, after which