A gold oval belcher link guard chain

A gold oval belcher link guard chain, with interior safety rings, to swivel clasp, 645mm long, 19.76g, with a 9ct gold smoky quartz spinner fob, with scroll top mount, London 1968, 23.91g (2)
Sold for £340

Condition report:
Surface marks/scratches to the gold.
Some scratches to the smoky quartz.
One edge of the smoky quartz does not fit easily through the mount.
Colour zoning to the smoky quartz.
Some wear to links of chain, and some of the interior rings missing.