This is a superb antique vinaigrette.
Gilt silver, in a shape of a little bag.
Sally's bag:
Georgian period, Birmingham 1790 :
Dimensions: 2,8 x 2 cm
Deepth: 1 cm
Weight: 15 grammes
Period: 1790
With its old sponge !!
Only the hinge a bit damaged:
Here is a converter inches / cm to help you with the dimensions: