A BELLE EPOQUE AMETHYST AND DIAMOND BROOCH
A BELLE EPOQUE AMETHYST AND DIAMOND BROOCH

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A BELLE EPOQUE AMETHYST AND DIAMOND BROOCH
Centering upon an oval cabochon amethyst, within an openwork single and old mine-cut diamond surround of garland motif, suspending a diamond collet terminal, mounted in platinum and gold, (with concealed hoop for suspension), circa 1910