Woodbridge Antiques has dated this piece to the Edwardian era.
It has a metal safety chain attached.

Truly lovely and iconic Edwardian style. A superior brooch!
Condition: This brooch is in great antique condition.
Measurements:
Length: 15 cm approx. Width: 4 mm approx.
Weight: 3.9 grams approx
Woodbridge Antiques has dated this piece to the Edwardian era.
Specialists in quality antique silver, fine jewellery & accessories
You can view the stock and full dealer information on the Woodbridge Antiques Profile Page