细节
A ROMAN CARNELIAN RING STONE
Circa 1st Century A.D.
The convex oval stone engraved with a Circus scene, with four teams racing around the spina, one quadriga above, three below, the spina with metae, an obelisk and other structures; mounted as a ring in a modern gold setting
½ in. (1.3 cm.) long; ring size 8¾