2nd-1st century BC. A substantial gold ring with facetted and angled shoulders, raised bezel with everted rim set with finely-carved banded agate intaglio, the intaglio with god Jupiter (Greek Zeus) bearded and robed, seated on a chair with staff in one hand, eagle perched on the other. See Chadour, A.B., Rings: The Alice and Louis Koch Collection, volume I, Leeds, 1994, item 65, for type.11.86 grams, 28.33mm overall, 19.98mm internal diameter (approximate size British O, USA 7, Europe 14.98, Japan 14) (1"). From the collection of a Japanese gentleman, deceased (1970-2010); collected in the 1990s; accompanied by an independent specialist report and valuation by graduate gemmologist and jewellery expert Anna Rogers, GIA GG, BA, Gem-A, ref. no. 171970/07/12/2020; this lot has been checked against the Interpol Database of stolen works of art and is accompanied by AIAD certificate number no. 10517-171970. [A video of this lot is available to view on TimeLine Auctions website.] Very fine condition. A large wearable size.