细节
An antique black opal and diamond cluster brooch
The central oval cabochon opal within an openwork diamond foliate and cluster surround with diamond collet inner border, mounted in silver and gold, circa 1870, 5.0cm. wide
The central oval cabochon opal within an openwork diamond foliate and cluster surround with diamond collet inner border, mounted in silver and gold, circa 1870, 5.0cm. wide
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