Here are a couple of wonderful Sterling silver-gilt guilloche enamel butterflies by the Norwegian silversmith Ole-Petter Raasch Olsen for his company OPRO, which he founded in Oslo in1945. The butterflies are suspended on silver-gilt chains to form a necklace. Choose between the green or the yellow version.
Marks: Norway Sterling OPRO
Size: butterfly is 4 cm (1.5") wide. Total length, including butterfly is 46 cm ( 18.5")