Here is a nice Sterling silver ring by the Norwegian enamel specialist Aksel Holmsen, first registered in 1932. It features two red guilloche panels at the front, where it is open, so adjustable in size.
Condition: Excellent, no visible damage
Marks: Made in Norway, Sterling, crossed tools logo, 925S
Size: Currently fits finger size - UK N, US 7, Eu 54, but could be adjusted to a larger or smaller size.