This item has been sold, and the description, image and price ($US) are for reference purposes only.
18ct gold and peridot 'Tubogas' ring, Bulgari, modelled as a coiled snake the sprung ring is designed as a series of gaspipe links, the head collet-set with a pear-shaped peridot, size M, adjustable, signed Bulgari, Italian assay and maker's marks.

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  • Assay / Assayed - Assaying is the testing of a metal, most commonly silver and gold to determine its ingredients and quality. In Britain, once an item of silver or gold has been assayed, a mark is stamped on it, certifying its purity. Known as hallmark, it derives its name from the Guild Hall of the Goldsmiths' Company, who recieved its Charter in 1327 giving it the power to assay and mark articles of gold and silver.

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18ct gold and peridot 'Tubogas' ring, Bulgari, modelled as a…