circa 2000s 18kt white gold polished finish delicate chain butterfly pendant turquoise stone clasp fastening Hallmarked in the United Kingdom at the London Assay Office. Normal everyday use and external agents may reduce the lustre of gemstones and gold surfaces. To maintain, use specific, non-abrasive products specially meant for cleaning jewellery. Condition: GOOD. This previously owned and used item is in good condition with minimal signs of use. This may include fading of material or plating and scratches.