A rare Medieval bishop's ring found by a retired firefighter in a Norfolk field is expected to fetch up to £18,000 at auction. The gold ring, which has a central hexagonal cabochon sapphire with ...

The gold ring, which has a central hexagonal cabochon sapphire with two emeralds and two garnets, was uncovered by detectorist Mark Sell, 63, in King Row, Shipdham, in 2019.