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 these Silver Sputnik Screwback Earrings to the 1950s.

SIZE: Approx 2.5cm total drop, the sputniks are around 1.5cm wide.
WEIGHT: 6.8g.
MATERIALS: 925 sterling silver.
HALLMARKS/STAMPS: The earrings are marked STERLING on each screw.
CONDITION: In very good vintage condition.
ERA: Estimated mid-20th century.
Corvidae Antique has dated these Silver Sputnik Screwback Earrings to the 1950s.
Hand picked jewellery from a friendly family business
You can view the stock and full dealer information on the Corvidae Antique Profile Page