Delicate work in twisted gold or silver wire (8)
I believe the answer is:
filigree
'delicate work in twisted gold or silver wire' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for filigree that I've seen before include "Delicate work in twisted gold or silver wire" , "Ornamental wirework" , "Delicate ornamental metalwork" , "Ornamental metallic lacework" , "Delicate ornamental metal work in gold or silver" .)