Opal pendant on chain modern, Switzerland, yellow gold 585/750, cut boulder opal with pendant mount, this one marked ''750/18K'', total ca. 10 g; on snake chain with eyelet clasp, this one marked ''585'', ca. 18,5 g; h/l: 4,5/50,5 cm. Opal with jewellery pass from Gut & Co. Goldsmith/St. Gallen.
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