It sounds like a dream scenario for your average metal detectorist. Picture yourself in a field, searching for hidden treasures, when suddenly you spot something shiny. Could it be gold? For retired ...

A rare ring, set with sapphire, emerald and garnets and once owned by a medieval bishop, is coming to auction on March 26 sale of jewelry, silver, and objets d’art at Noonans Mayfair, in London.

A jewelled medieval bishop’s ring that was discovered in a muddy field by a metal detectorist is estimated to fetch more than ...