Andrew Cox Antiques has dated this piece to the 18th Century.
Dimensions below.

Postage and packing :- £8.00 UK
£16.00 Europe
£22.00 Rest of the World
Condition :- Excellent, with no dents or splits.
Hallmarks :- Clear and readable. Absent town mark.
Maker :- William Bennett.
Date :- London 1793.
Width :- 3.5 cms.
Height :- 2.1 cms.
Andrew Cox Antiques has dated this piece to the 18th Century.
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