Ca. 100BC - 100AD.A gold ring in the form of a coiled snake with engraved scale detailing, a tail bent round into a loop and a head with large, stylised eyes. Below the head, there is an oval bezel cell with a garnet cabochon inset. The item has undergone X-ray fluorescence analysis to confirm the metallurgical content suggesting its ancient origin and lack of modern trace elements.Size: D: 17.45mm / US: 7 1/4 / UK: O 1/2; 4.2g.Provenance: Private UK collection; From an old Oxford collection formed in the 1990s; Ex. Swiss private collection.