SASANIAN CHALCEDONY RING WITH GALLOPING HORSE Ca. AD 300 - 600 . A chalcedony ring with an oval bezel engraved with a horseman seated upright on a galloping horse with its forelegs lifted and tail extended. The bezel is flat and merges seamlessly with the thick, rounded hoop. The ring widens at the shoulders with sharply cut angles.Size: D:14.48mm / US: 3 1/4 / UK: G; Weight: 5.77gProvenance: Private UK collection; acquired on the French market in the 1980s.