Vintage Norwegian Albert Scharning guilloche enamel gold tone sterling earrings

Gorgeous blue guilloche enamel clip on earrings in shape of delicate waves . Gold tone sterling silver. *** Please see measurements in images. Reach out with any questions. Thanks for popping in! Pre-owned item with minor signs of use/wear. Golden tone to sterling silver. Possible tarnish / coloration from enamel process. No cracks, chips detected. ***