Around 1960. 18 ct. yellow with white gold and platinum, marked, MM: 'W'. In plait pattern made chains, moveable hanging, each chain with one round brillant cut diam. in platin setting. All together 20 round brillant cut diam. in total approx. 1,10 ct. G-H.vvs. 55 x 12 mm, weight approx. 24 g. With Wilm soft case.