White gold (750) jabot pin, the two ends formed by a flattened openwork ring of nephrite (probably bathed) adorned with an arrowhead motif paved with alternating lines of rose-cut diamonds and calibrated onyx in pearl-grain and rail settings, and punctuated by two larger small old-cut diamonds in pearl-close setting. French work, circa 1925. Gross weight: 7.2 g. - Length: 6.9 cm. - Diameter of discs: 2.3 cm. Minor chips, restorations and soldering; minor wear on one nephrite disk.