Kristi Noem’s trip to a prison in El Salvador drew social media attention for the homeland security secretary’s choice to wear a gold Rolex in such a setting. By Joseph Bernstein Joseph ...

The smallest nugget, weighing 3g (0.1oz), went for £4,000. Gold flakes and dust weighing 16.26g (0.5oz) fetched £10,500. This suggests each coin could sell for £20,000-£40,000 – and quite ...