ROMAN SILVER RING WITH MAGICAL CARNELIAN GEM DEPICTING GRYLLOS Ca. AD 100 - 300. A stunning silver ring composed of a round hoop with a stepped external surface, set with a carnelian intaglio of "Gryllos". The intaglio showcases a translucent vermilion shade and depicts a standing rooster eating a snake, surmounted by a human or god head flanked by the letters A, M, and O at the top. Size: D:17.93mm / US: 7 3/4 / UK: P; Weight: 11g. Provenance: Property of a London Ancient Art Gallery; formerly in the famous Alison Barker collection, a retired London barrister; acquired between the early1960s to 1990s. This piece is accompanied by an authentication statement by Sami Fortune, ancient jewellery specialist.