Corvidae Antique has dated this piece to the 1950s.

Marked STERLING JTOSTRUP NORWAY.
The hinge and clasp are in good working order.
Size: 6.3 x 3cm.
Weight: 7.0g.
FREE INTERNATIONAL SHIPPING!
Corvidae Antique has dated this piece 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