Here is an extraordinary necklace by K.E.Palmberg, who was the head designer for Alton, the leadiing Swedish silversmithy, founded in 1946.  Most of Palmberg's work was in silver, but he also liked to experiment with materials, and here is a magnificent example in the modernist brutalist,style, using bronze and pyrite to create a little sculpture.  The pendant comes with its original integaral chain.  

Condition: Excellent, no visible damage

Marks: Alton, K.E.Palmberg

Size: the pendant section is 5cm (2") long, the chain is 64 cm (25") long

Year: 1970s?