A German forged 18k gold and opal ring.

A German forged 18k gold and opal ring. Solid, forged ring with a concentrically moulded bezel, set with a large opal displaying blue, green and red opalescence (approx. 21.19 × 17.29 mm). Shank with a soldered sizing bar. Stamped on the sizing bar: Fineness 750, crown, maker’s mark, Cologne guild mark. Bezel 2.7 × 2.4 cm. Ring size approx. 52. Weight 25.24 g. Wilhelm Nagel, Wesseling, 1990s.

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Ringstorlek 16,6 mm (EU 52) · vikt 25,2 g