French Early 20th Century 18ct Gold Plain Signet Ring

A good 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 circa 1920 in France. It is a good strong design and sits low on the finger. It is difficult to find gold signet rings that have not already been engraved with a crest or a monogram, so this ring is ideal if you need to engrave an intaglioAn engraved stone, the opposite of a cameo, with a recessed design cut below the surface of the stone. Intaglio designs are common for signet rings and fob seals. of a family crest.