SAPPHIRE, DIAMOND, BLACK ONYX AND GOLD CASE

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SAPPHIRE, DIAMOND, BLACK ONYX AND GOLD CASE

Of rectangular outline in engine-turned 18K gold, the lid decorated with a rectangular black onyx, rose-cut diamond and calibré-cut sapphire panel--3 x 2 1/8 x 5/8 in.

By Charles Holl, No. 60591