17th-18th century AD. A silver ring with round-section hoop and quatrefoil bezel, engraved with cross motif and inlaid with niello. 2.05 grams, 20.64mm overall, 16.89mm internal diameter (approximate size British N, USA 6 1/2, Europe 13.72, Japan 13) (3/4"). From a private collection formed in the Netherlands; previously in a European collection formed prior to 1980.