RARE BYZANTINE GOLD AND NIELLO RING WITH JERUSALEM CROSS. Ca. AD 600. A gold ring with a round-section hoop and a circular gold bezel flanked by small granules and inlaid with niello showing a Jerusalem cross with four crosslets arranged in the quadrants. Size: D:19.15mm / US: 9 1/4 / UK: S; Weight: 5.4g Provenance: Private London collection; formerly in Austrian private collection 1980s-early1990s This item has been cleared against the Art Loss Register database and comes with a confirmation letter.