Victorian 18ct Gold Signet Ring With Onyx Intaglio Of A Crest

An interesting 18ct75% pure gold (or 750 parts pure gold and 250 parts other metals) gold signet ringA ring with a central plaque on which one’s initials, a seal, or a crest is engraved. that was made in Germany circa 1860-1880. It has been set with a banded onyxOnyx is an opaque black variety of polycrystalline chalcedony quartz.  that has been cut through the paler part of the stone to the black part underneath to create the contrast. The crest has a fleur de lis in the centre with a helmet and wings above. The shankThe circle of metal that attaches to the decorative part of a ring and encircles the finger. twists elegantly round the finger.