A PAIR OF RUSSIAN CABOCHON SAPPHIRE, DIAMOND AND GOLD EAR CLIPS

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A PAIR OF RUSSIAN CABOCHON SAPPHIRE, DIAMOND AND GOLD EAR CLIPS
MAKER'S MARK ILLEGIBLE, SAINT PETERSBURG, 1908-1917

Each formed as an oval cabochon sappire within and oval border of rose-cut diamonds, marked on clip