STORY: The Royal Mint started producing the first British coin bearing the effigy of King Charles III in Wales on Thursday. began. The Royal Mint is the mint of the United Kingdom. Rebecca Morgan, Mint Officer, said it was a historic moment: “Today is a significant moment in the history of Britain and the Royal Mint. We have been minting coins featuring Queen Elizabeth II for 70 years and today we have our first with King Charles III.” The first coin featuring a portrait of King Charles is a 50p commemorative coin honoring Queen Elizabeth II, due to be issued in December.