ca. 100–300 AD. Roman nicolo intaglio oval gemstone depicting a male bust in left profile wearing a diadem (which indicates aristocratic rank); set in a later gold ring with a round band and a wide oval bezel; good condition; fully wearable. 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.Provenance: Obtained from B.C. ; previously in a collection formed since the 1970s on the UK and European art market.Size: L:9 5/8mm / W:Tmm ; 3.6g