It was listed by Corvidae Antique. Sold pieces stay on Sellingantiques as a record of what has passed through, and the next one is rarely far away.
Corvidae Antique has dated this piece to the Edwardian era.

SIZE: Approximately 1.2 x 2.3cm, not including the bail.
WEIGHT: 2.0g.
MATERIALS: Glass, silver.
HALLMARKS/STAMPS: None.
CONDITION: In excellent antique/vintage condition.
ERA: Estimated Edwardian-Art Deco (c.1901-1930).
Corvidae Antique has dated this piece to the Edwardian era.
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You can view the stock and full dealer information on the Corvidae Antique Profile Page