21 - Dome-shaped ring in platinum (850 parts per thousand) and yellow gold (750 parts per thousand), set with old-cut diamonds, 8/8 diamonds, and rose-cut diamonds. The entire design is set within a spiral motif composed of gold threads. Made circa 1950. Hallmarks: dog’s head and eagle. Width: 18 mm. TDD: 53.5. Weight: 11 g

Dome-shaped ring in platinum (850 parts per thousand) and yellow gold (750 parts per thousand), set with old-cut diamonds, 8/8 diamonds, and rose-cut diamonds. The entire design is set within a spiral motif composed of gold threads. Made circa 1950. Hallmarks: dog’s head and eagle. Width: 18 mm. TDD: 53.5. Weight: 11 g Stones show scratches; the center stone has significant cracks in the crown. Appraisal by: Maryse Beraudias, expert at the Riom Court of Appeals