Ca. 200-300 AD. A gold ring of faceted, flat-section band tapered to the rear. Bezel contains a stone intaglio depicting a bust of Sol Invictus wearing a radiate crown. Sol Invictus - Unconquered Sun - Roman syncretic deity, combining the features of the Roman solar god Sol and the Indo Mithra. The cult was introduced by Emperor Aurelian in 274 AD. The item has undergone X-ray fluorescence analysis to confirm the metallurgical content suggesting its ancient origin and lack of modern trace elements. This analysis will accompany the purchase.Size: D: 15.04mm / US: 4 1/4 / UK: I; 6.68gProvenance: Property of a London Ancient Art Gallery; formerly in the famous Alison Barker collection, a retired London barrister; acquired between early 1960s to 1990s.