Here is a gorgeous Sterling silver guilloche enamel ring in shades of green by the leading Norwegian silversmithy, David-Andersen (see bio). It was probably designed by Toril Bjorg.
Condition: Excellent. No visible damage to enamel
Marks: David-Andersen, Norway Strling 925S
Size: this ring is open at the side and will therefore adjust slightly from its current finger size of UK M, US 6.5, Eu 53