1st century BC. An amethyst cabochon with intaglio running boar motif, set into a later hollow-formed gold finger ring with conical bezel; accompanied by a museum-quality impression. Cf. Chadour, A.B. Rings. The Alice and Louis Koch Collection, volume I, Leeds, 1994, item 142. 3.43 grams, 26.49mm overall, 16.93mm internal diameter (approximate size British K, USA 5 1/4, Europe 9.95, Japan 9) (1"). From a private collection, Lancashire, UK; acquired on the UK art market; previously in an early 1990s London collection.