EARLY BYZANTINE RED JASPER INTAGLIO DEPICTING MONOGRAM IN SILVER RING Ca. AD 300 - 500. A red jasper intaglio engraved with a monogram enclosed within a lozenge-shaped field. The stone is set in a silver bezel integrated into a broad hoop, which expands slightly at the bezel to accommodate the setting. For similar see: The Walters Art Museum, Acc. No. 57.2104. Size: D:17.93mm / US: 7 3/4 / UK: P; Weight: 9.42g Provenance: Private London collection; formerly in South German private collection 1980s-early1990s.