![1950s Silver & Blue Enamel Double Leaf Necklace by Willy Winnaess for David Andersen (354S) | The Antique Jewellery Company 1950s Silver & Blue Enamel Double Leaf Necklace by Willy Winnaess for David Andersen (354S) | The Antique Jewellery Company](https://static.antiquejewellerycompany.com/2021/12/d87e97b7-dsc01191-750x563.jpg)
1950s Silver & Blue Enamel Double Leaf Necklace by Willy Winnaess for David Andersen (354S) | The Antique Jewellery Company
![Bjørn Sigurd Østern for David-Andersen, Oslo, Norway | Norwegian jewelry, Modernist jewelry, Jewelry inspiration Bjørn Sigurd Østern for David-Andersen, Oslo, Norway | Norwegian jewelry, Modernist jewelry, Jewelry inspiration](https://i.pinimg.com/736x/5e/b0/01/5eb00143cdd4bae52e272856c39c4321--vintage-jewellery-oslo.jpg)
Bjørn Sigurd Østern for David-Andersen, Oslo, Norway | Norwegian jewelry, Modernist jewelry, Jewelry inspiration
David-Andersen Marks; hallmarks found on Antique, Vintage & Collectible Silver by David-Andersen of Norway
![David-Andersen, Norway Vintage Sterling Silver Enamel Sweet Briar Rose Antiquesilverboxes | Ruby Lane David-Andersen, Norway Vintage Sterling Silver Enamel Sweet Briar Rose Antiquesilverboxes | Ruby Lane](https://cdn0.rubylane.com/_pod/item/1423076/776254/David-Andersen-Norway-Vintage-Sterling-Silver-pic-1A-720%3A10.10-03599948-727272.png)