Warden of the Mint Master of the Mint whose jobs was act as a contractor to the crown many wardens advanced later on to become Master of the Mint with some wardens holding both offices at the same time. The most illustrious holder of the office of Warden of the Mint was Isaac Newton, who was warranted to this position on the recommendation of his friend, Montagu, Chancellor of the Exchequer in 1698. In 1699 however, Newton undertook the office of Master of the Mint, which was far more lucrative, as well as potentially more technically challenging. After the death of the final warden
Royal Mint where it opened in 1854. Its success led to the opening of Melbourne Mint on 2 June 1872 which cost £368,350 and Perth Mint which opened on 20 June 1899. In 1926 after operating for 72 years, the Sydney Mint closed due to its inferior technology and capabilities being superseded by those in Melbourne and Perth. After Australia was federalised in 1901, Great Britain continued to own the mints to as late as 1 July 1970, when they became statutory authorities of the Government of Western Australia. In Canada, which had been under British rule since 1763, British coins circulated