Woodbridge Antiques has dated this piece to the 1920s.
The maker's mark is also clearly visible for the silver maker Josiah Williams & Co. Originally a butter dish, this could now be used as a trinket or bon bon dish and would be a lovely silver wedding anniversary gift.

Condition: In great antique condition with only some light scratching.
Hallmarks: London 1920 Josiah Williams & Co.
Measurements:
Height: 2.5 cm Width: 10.3 cm Depth: (from handle to tip of shell): 12.7 cm approx. Weight: 60 grams
Weights and measurements are approximate.
Stock code: 42777
Woodbridge Antiques has dated this piece to the 1920s.
Specialists in quality antique silver, fine jewellery & accessories
You can view the stock and full dealer information on the Woodbridge Antiques Profile Page