AgAu Jewellery has dated this piece to the 1950s.
The bracelet measure 18cm/7.5" in length and 0.6cm in width.. The bracelet is marked for 9ct gold, the bracelet weighs 3.8g.

Metal: 9ct yellow gold.
Stone(s): 3 x opal (1.00ct), totalling (3.00ct)
Measurements: Earrings 18cm length x 0.6cm width/ 7.5" in length
Hallmark: Marked for 9ct
Weight: 3.8g
Condition: Excellent condition
AgAu Jewellery has dated this piece to the 1950s.
Agau jewellery offer an extensive range of 9ct and 18ct gold jewellery.
You can view the stock and full dealer information on the AgAu Jewellery Profile Page