Some 1.3 million coins entered Post Office tills across the UK today (Monday 7 February), the Royal Mint said. That makes the Jubilee 50p one of the rarest ever to enter circulation – though this could change if more of them are minted over the course of the year. Here, we take a closer look at the 50p’s design and whether you should hang onto one if it turns up in your change. What does the...