Woodbridge Antiques has dated this piece to the 1910s.
The registration number is stamped on the case and sits just under the lid: RD467827.

Condition: This Vesta is in great used condition. There are a few age related very small dents to the silver commensurate with the age and are mentioned for accuracy only.
Hallmarks: Birmingham 1905 by H Williamson Ltd.
Measurements: 4.41cm x 5.39 cm approx (including loop).
Weight: 17.30 grams approx.
Woodbridge Antiques has dated this piece to the 1910s.
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