An amateur metal detectorist has stuck gold after he discovered a 'one-in-a-billion' Bronze Age artefact. Jonathan Needham, 54, found the 3,000-year-old cloak fastener on a patch of land in Ellastone, Staffordshire It is likely to be acquired by a museum and has left the retired tree surgeon delighted Mr Needham is pictured with the gold cloak fastener The artefact has …