A silver opal filigree necklace

A silver opal filigree necklace, two cabochon opals claw set to the filigree pendant, to necklace of filigree links with oxidised finish joined by plain wire links, with bolt ring clasp, tested as approximately sterling silver, pendant 75mm long, chain 455mm long, 22.35g
Sold for £120

Condition report:
Oxidised finish slightly worn in places, especially edges of links.
Top opal slightly wonky in setting.
Some of the links are slightly out of shape.
Bolt ring in working order.