Jeff Sims Antiques has dated this Antique Opal Bar Brooch to the 1910s.
The pin is secured with a 'C' clasp.

A delicate and lovely piece to enhance any outfit. Dimensions below.
Postage and packing £10.00 UK
£18.00 Europe
£40.00 USA (including 10% tariff)
£24.00 Outside Europe
Condition :- Excellent, with no dents, splits or losses.
Date :- Chester 1918.
Hallmarks :- 9ct, Chester town mark, date letter.
Height :- 1 cms.
Width :- 4 cms.
Depth :- 0.5 cms.
Jeff Sims Antiques has dated this Antique Opal Bar Brooch to the 1910s.
Specialists in antique silver, glassware and objects of vertu
You can view the stock and full dealer information on the Jeff Sims Antiques Profile Page