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 between him and senior mint chiefs which ultimately led to him being removed from his position at the mint. After relocating to its new home on Tower Hill, the Mint came under increased scrutiny of how it dealt with unrefined gold that had entered the country. Initially the Master of the Mint was responsible for overseeing the practise since the position's inception in the 1300s, however the refinery process proved too costly and suffered from a lack of accountability from the master. A Royal Commission later set up in 1848 to address these issues gave recommendation for the refinery process