Royal Mint resume minting their own supplementary tokens. In 1672 the Royal Mint finally took over the production of copper coinage. Prior to the outbreak of the English Civil War, England signed a treaty in 1630 with Spain which ensured a steady supply of silver bullion to the Tower mint. Additional branch mints to aid the one in London were set up including one at Aberystwyth Castle, in Wales. In 1642 parliament seized control of the Tower mint and after Charles I tried to arrest the Five Members he was forced to flee London, establishing at least 16 emergency mints across the
Royal Mint to be outsourced to another external agency thereby removing the refining process from the mint's responsibilities. The opportunity to handle in Mint's refinery was taken up by Anthony de Rothschild, a descendant of the Rothschild family and heir to the multinational investment banking company N M Rothschild & Sons. Rothschild secured a lease from the government in January 1852, purchasing equipment and a premise adjacent to the Royal Mint on 19 Royal Mint Street under the name of "Royal Mint Refinery". As Britain's influence as a world power expanded, with colonies being established abroad, a greater need for currency led