Woodbridge Antiques has dated this piece to the 1920s.
Clear hallmarks can be seen on both the base and the lid for the London Assay office 1923 with the makers mark for Charles & Richard Comyns. There is also a Lion Passant indicating the finest sterling silver.

Condition: In lovely antique collector's condition.
Hallmarks and maker's marks: London 1923 Charles & Richard Comyns
Measurements:
Diameter width: 5 cm
Depth: 2.5 cm
Weight: 31.3 grams
Weights and measurements are approximate
NJLK83-06
Woodbridge Antiques has dated this piece to the 1920s.
Specialists in quality antique silver, fine jewellery & accessories
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