Woodbridge Antiques has dated this piece to the Edwardian era.
The silversmith's maker's marks are also clearly visible for Johnson Durban & Co.

A charming and unusual item, superbly made and lovely design.
Condition: This Tyg is in great antique condition. The glass is unblemished and clear.
Hallmarks and maker's marks: Birmingham 1902 by Johnson Durban & Co.
Measurements:
Height: 9.2 cm approx.
Width including handles: 11.2 cm approx.
Diameter width: 7.8 cm approx.
Weight: 280 grams approx.
Woodbridge Antiques has dated this piece to the Edwardian era.
Specialists in quality antique silver, fine jewellery & accessories
You can view the stock and full dealer information on the Woodbridge Antiques Profile Page