Solid Silverring with crystal lightblue stone from 1938, Sweden

A solid rare silverring with a crystal blue square shaped stone with brilliant cuts. Modernism. Marked with: M8. Produced in 1938.

Inner diameter is 16 mm, height of ring 24 mm, thickness 10 mm x 5 mm. Weight 8 gram. Condition as in the pictures is very good, natural patina. 
Perfect vintage condition.

"A scandinavian midcentury modern jewelry you will be able to enjoy your whole life!"