Merovingian VIII century gold ring, set with a carnelian. And yes, that is a horse grazing. (Sotheby’s estimated price is pounds!) Carnelians were really popular stones in the Carolingian and Merovingian empires.
Act I scene ii Richard: Vouchsafe to wear this ring. [Medieval Gold Ring with Crystal century AD . A decorated finger ring with flat-section hoop decorated with panels of incised chevrons, square bezel with inset conical facetted crystal.