Queens Antiques and Collectables has dated this piece to the Georgian era.
Opening to reveal a gilded flower head pierced grille.

Measuring 2.8 cm x 2 cm and weighs 8.7 grams.
In very good antique condition, internal gilding still good, hallmarks good, vacant cartouche, a few small dings & scratches all commensurate of age and use.
Queens Antiques and Collectables has dated this piece to the Georgian era.
Specialising in georgian & later high quality silver pieces.
You can view the stock and full dealer information on the Queens Antiques and Collectables Profile Page