Woodbridge Antiques has dated this piece to the Edwardian era.
It bears clear makers marks for A & J Zimmerman and hallmarks for Birmingham 1906. which can be seen on the side of the silver top.

CONDITION (see photos):
In excellent used condition. No damage to the glass or silver top. The gilding is in good condition, the hallmarks and maker's marks are very clear.
HALLMARKS: Birmingham 1906 by A & J Zimmerman
MEASUREMENTS:
Diameter: 4.31cm approx.
Height: 4.49 cms approx.
Weight: 41.38 grams approx.
Woodbridge Antiques has dated this piece to the Edwardian era.
Specialists in quality antique silver, fine jewellery & accessories
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