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 Mint he persuaded the Royal Mint to allow him to experiment with the alloy and was ultimately able to produce 167,539 gold sovereigns. On a second occasion in 1868, it was again discovered that gold coins, this time totalling £500,000 worth, were being produced with inferior gold. Although the standard practise at the mint was for rejected coins (known as brockages) to be melted down, many entered general circulation and the mint was forced to return thousands of ounces of gold to the Bank of England. Although Ansell offered to re-melt the substandard coins, his offer was rejected causing a row