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 mint were ceremoniously delivered to the Constable of the Tower. Facing the front of the site stood the Johnson Smirke Building whose namesake comes from its designer James Johnson and builder Robert Smirke. This building was flanked on both sides by gatehouses behind which another building housed the mint's new machinery. A number of other smaller buildings were also erected which housed mint officers and staff members. The entire site was protected by a boundary wall which was patrolled by the Royal Mint's military guard. By 1856, the mint was beginning to prove inefficient, suffering from irregularities in minted coins'