13th-15th century AD. A silver stirrup-style ringposed of a D-section hoop, expanding at the shoulders to a bezel set with a rectangular cut and polished amethyst cabochon. 3.45 grams, 24.24mm overall, 18.72mm internal diameter (approximate size British N 1/2, A 6 3/4, Europe 14.35, Japan 13) (1"). Private family collection formed in London, mid 1980s to early 1990s. [No Reserve]