Yellow gold 750 ‰ ball ring, 1950s model, decorated with gold wire and five half-spheres (one missing), centered with a bezel holding a +/- 0.10 ct. brilliant. PB : 5,5 grs, TDD : 53 And 750 ‰ white gold ball ring, 1950s model, with diamond-shaped openwork decoration, centered with a brilliant +/- 0.10 ct on a claw bezel, shouldered by four small roses. PB : 6,2 grs, TDD : 53