David-Andersen Sterling & Chrysoprase Ring, D-A Norway 1950s Willy Winnaess Mark. A vintage Modernist style ring from the famed Norwegian Jewelry company David-Andersen is offered here. It is marked with the David Andersen logo followed by "D-A Sterling Norway" and a W within a circle hallmark. David-Anderson was founded by its namesake in 1876 and remains a family owned business to this day.
The W in a circle hallmark is that of Willy Winnaess, who worked for the company throughout the 1950s. This ring has a simple bypass design with chrysoprase spheres on each end. The ...