Vintage David Andersen Enamel Flower Clip Earrings 1960s

A vintage pair of modernist solid silver gilt enamel flower clip earrings - each earring of a psychedelic flower motif decorated with purple and lilac enamel with a metal clip back fitting - marked for Sterling silver and for David Andersen of Oslo - total weight  of the pair 10.2grms - overall dimensions 20 x 20mm - c.1960 Norway