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A BELLE EPOQUE DIAMOND AND BLACK ONYX BAR BROOCH
The old mine-cut diamond and calibré-cut black onyx bar set with three diamond collets, mounted in 18K white gold, circa 1910, in a black leather fitted case
The old mine-cut diamond and calibré-cut black onyx bar set with three diamond collets, mounted in 18K white gold, circa 1910, in a black leather fitted case