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 Nazis planned to collapse the British economy by flooding the country with forged notes leading the Bank of England to stop issuing banknotes of £10 and above. To meet these demands the Mint doubled its output so that by 1943 it was minting around 700 million coins a year despite being under constant threat of being bombed. The Deputy Master of the Mint John Craig recognised the dangers to the Mint, introduced a number of measures to ensure the Mint could continue to operate in the event of a disaster. Craig added emergency water supplies, reinforced the Mint's basement to