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An 18k gold opal pin brooch

Stylised carrot motif with abstract relief decor, the base of the leaves set with an organically shaped opal (ca. 12.5 x 7.81 mm). Hallmarks: Fineness 750, maker's mark "THM" (conjoined), Cologne guild mark. L 14 cm. Weight 32.88 g.
Goldschmiede Peter und Marianne Heyden, Cologne, presumably 1970s.

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Lot 82 Dα

An 18k gold opal pin brooch