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A German 18k gold and fire opal brooch. - image-1

A German 18k gold and fire opal brooch. - image-2

A German 18k gold and fire opal brooch.

Slightly domed uneven disc design with curved relief (20k gold) set with an oval fire opal of 1.46 ct with fine opalescence. Hallmarks on round plaquette: Fineness 750, maker's mark "PGH". 3.2 x 3.1 cm. Weight 9.64 g.
Paul Günter Hartkopf, Düsseldorf, c. 1974.

Certificate

Material information according to the original invoice.

Provenance

Acquired from the goldsmith's studio in 1974.

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Lot 598 Dα

A German 18k gold and fire opal brooch.

Certificate

Provenance