Jeff Sims Antiques has dated this piece to the Georgian era.
The border is reeded and the label is supported on a belcher chain. Condiments came in many forms in the Georgian times, including items such as Anchovy sauce - more usually found as a cooking ingredient nowadays.

An excellent, rare and unusual piece of Georgian silver. Dimensions below.
Postage & Packing :- £8.00 UK
£16.00 Europe
£22.00 Rest of the World
Condition :- Excellent, with no dents or splits to the silver.
Hallmarks :- Clear and readable.
Date :- Birmingham 1822.
Maker :- Joseph Wilmore.
Height :- 1.4 cms.
Width :- 2.8 cms.
Chain length :- 8 cms.
Jeff Sims Antiques has dated this piece to the Georgian era.
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