15th century sapphire ring found by metal detectorist stars in our pick of five auction highlights
ATG’s weekly selection of items that caught bidders’ eyes includes a 15th century gold and sapphire ring unearthed near a medieval nunnery that more than doubled its estimate.
1. 15th century sapphire ring – £14,000
This 15th century gold ring, set with a rhomb-shaped table-…