David Andersen silver and pale grey enamel leaf necklace 1950s

A solid silver and pale grey enamel leaf link necklace - consisting of twelve panels of a single leaf design of light grey enamel linked to each other with a single oval link and finished with a bolt ring clasp all with a gold wash - marked for David Andersen of Oslo and for Willy Winnaess - total weight 24.8grms - wearable length 395mm width 11.8mm - c.1955 Norway