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細節
A SAPPHIRE AND DIAMOND BROOCH
The claw-set oval-cut sapphire, to baguette and circular-cut diamond details, 3.0cm
With indistinct maker's mark ..K, possibly for Kochert
The claw-set oval-cut sapphire, to baguette and circular-cut diamond details, 3.0cm
With indistinct maker's mark ..K, possibly for Kochert