Woodbridge Antiques has dated this piece to the 1960s.

The back of the pendant bears the marks "D-A" or "David-Andersen" along with "Norway Sterling 925S", and also marked on the pendant, "INV B.S.O." for designer Bjorn Sigurd Osternfor.
Great gift for a collector of Scandinavian or modernist jewellery.
Period; Mid-century.
Condition: In super pre-owned condition.
Measurements: Height: 5.8 cm Width: 3.8 cm Weight: 12 grams
Weights and measurements are approximate.
Woodbridge Antiques has dated this piece to the 1960s.
Specialists in quality antique silver, fine jewellery & accessories
You can view the stock and full dealer information on the Woodbridge Antiques Profile Page