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 Canadian Mint allowed it to refine silver. The silver is first upgraded in an oxygen converter and then refined by electrolysis. It wasn’t until the Great Depression that the Ottawa Mint negotiated its independence from the British Royal Mint. In 1931, the Ottawa Mint was renamed the Royal Canadian Mint and began reporting solely to the Department of Finance. Although the Mint continued to rely on the Royal Mint to produce the master tools required for the creation of its punches and dies, the Mint was finally under Canadian control. In 1969, the Government of Canada reorganized the Mint as a Crown