It was listed by Julie Cartwright Antiques. Sold pieces stay on Sellingantiques as a record of what has passed through, and the next one is rarely far away.
Julie Cartwright Antiques has dated this Guilloche Enamel Butterfly Brooch to the 1930s.

Hallmarks:
Impressed STERLING SILVER
Dimensions:
Maximum Width: 6.5cm / 2.5 inches
Height: 3.5cm / 1.2 inches.
Condition:
Excellent.
Enamel in very good condition.
Secure catch.
Postage:
PLEASE DO NOT FORGET TO ADD POSTAGE AT CHECKOUT.
Julie Cartwright Antiques has dated this Guilloche Enamel Butterfly Brooch to the 1930s.
You can view the stock and full dealer information on the Julie Cartwright Antiques Profile Page