Andrew Cox Antiques has dated this piece to the Edwardian era.
To the reverse of the brooch is a hinged pin and C clasp. A very pretty example, making for a good gift idea and a great addition to any collection. Dimensions below.

Postage and packing :- £8.00 UK
£18.00 Europe
£20.00 Outside Europe
Condition :- Excellent, with no damage.
Hallmarks :- Clear and readable.
Maker :- Charles Horner.
Date :- Chester 1907.
Height :- 1.5 cms.
Width :- 2.7 cms.
Depth :- 1 cm.
Andrew Cox Antiques has dated this piece to the Edwardian era.
Specialists in quality antique silver, glassware, jewellery and object de vertu
You can view the stock and full dealer information on the Andrew Cox Antiques Profile Page