BYZANTINE HIGH KARAT GOLD AND NIELLO RING WITH MONOGRAM. Ca. AD 600 A 23kt gold ring composed of a solid circular hoop, the shoulders decorated with fine granules flanking a circular bezel engraved with a cruciform monogram inlaid in niello. Size: D:16.31mm / US: 5 3/4 / UK: L; Weight: 6g. Provenance: Private London collection; previously part of an early 2000s UK ancient art collection; formerly in the collection of G.M., prior to 1996. This item has been cleared against the Art Loss Register database and comes with a confirmation letter. For similar see: The British Museum, Museum number 1982,1201.2.