Andrew Cox Antiques has dated this piece to the Georgian era.
Dimensions below.

Postage and packing :- £8.00 UK
£14.00 Europe
£16.00 Rest of the World
Condition :- Excellent, with no dents or splits.
Hallmarks :- Clear and readable. Absent town mark.
Maker :- Thomas Phipps & Edward Robinson.
Date :- London 1808.
Width :- 3.9 cms.
Height :- 2.2 cms.
Andrew Cox Antiques has dated this piece to the Georgian 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