3rd century AD. A silver ring with D-section hoop, stepped shoulders, and discoid bezel with lateral spurs, with jasper cloison with intaglio seated Jupiter in profile with sceptre. 15.05 grams, 25.73mm overall, 16.87mm internal diameter (approximate size British O 1/2, USA 7 1/4, Europe 15.61, Japan 15) (1"). Property of a West London businessman, formed in the late 1980s-early 1990s. [No Reserve]