Corvidae Antique has dated this piece to the Edwardian era.
Nicely hallmarked for 22-carat gold, Birmingham 1909.

Size: M and a half (UK), 6 and a half (US), approx 3mm wide.
Weight: 2.9g.
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Corvidae Antique has dated this piece to the Edwardian era.
Hand picked jewellery from a friendly family business
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