John Belgrave, 60, uncovered rare sword, axe head and bangle while trying to find the group he had been separated from An amateur detectorist has described how he unearthed a bronze age hoard, including a rare sword, after getting lost during a treasure hunters' rally. John Belgrave, 60, became separated from the main group of detectorists and headed to higher ground to try to spot them when he made what he has called the find of a lifetime.