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 act as an air-raid shelter and even accepted employment of women for the first time. For most of the war the mint managed to escape the destruction of the Blitz until December 1940 when three members of staff were killed in an air-raid. Around the same time an auxiliary mint was set up at Pinewood Studios which had been requisitioned for the war effort. Staff and machinery from Tower Hill were moved to the site in Buckinghamshire where it started production in June 1941 and operated for the duration of the war. Over the course of the war the Royal