5th-3rd century BC. A gold ring with slender D-section hoop, expanding at the shoulders to an oval-shaped bezel, set with an emerald cabochon. See Chadour, A.B., Rings. The Alice and Louis Koch Collection, Leeds, 1994, pp.28-33, for comparable items.4.45 grams, 28.06mm overall, 17.20mm internal diameter (approximate size British N, USA 6 1/2, Europe 13.72, Japan 13) (1"). From a London gentleman, formerly in a Swiss collection 1990s; accompanied by an independent specialist report and valuation by graduate gemmologist and jewellery expert Anna Rogers, GIA GG, BA, Gem-A, ref. no. 170479/07/12/2020. [A video of this lot is available to view on TimeLine Auctions website.]