Short answers, pulled from the story.
The Royal Mint is located in Llantrisant, Wales, about 10 miles northwest of Cardiff. It moved there from its Tower Hill site in London in 1968, with the formal opening on the 17th of December 1968 in the presence of Queen Elizabeth II. The final coin was struck in London in November 1975.
The Royal Mint strikes around two billion sterling coins for general circulation in the United Kingdom every year, with an estimated 28 billion coins in circulation at any given time. In 2015, it minted 2.4 billion coins for overseas countries, exceeding its domestic output and providing over 60% of revenue from circulating currencies.
Isaac Newton became the Royal Mint's warden in 1696 under the patronage of Charles Montagu, 1st Earl of Halifax. Though the role was intended as a sinecure, Newton took it seriously, working to combat counterfeiting at a time when forgeries accounted for 10% of the country's coinage.
The Trial of the Pyx is a formal legal procedure to test newly minted coins for conformity to required standards, held since the 12th century. A judge presides and a jury of freemen of the Worshipful Company of Goldsmiths assays sample coins. Since 1871, the trials have taken place at the livery hall of the Worshipful Company of Goldsmiths.
The Royal Mint produced all 4,700 gold, silver and bronze medals for the 2012 London Summer Olympics and Paralympic Games. Each medal was struck 15 times with 900 tonnes of force. The gold medals contained 1.34% gold, the silver medals were 93% silver, and the bronze medals were 97% copper.
886 by The Royal Mint is a luxury jewellery line launched in 2022, named in celebration of the mint's symbolic founding date. It sells online and from a shop in London's Burlington Arcade, using gold recovered from electronic waste and other recycled sources.