Silver egg with the hinged upper part is covered with sky blue enamel over guilloche in gold frame. The finial and the snap-shutter are in golden setting. The stem rests on the rock crystal base and is decorated by three silver frogs and rush leaves of gold and green translucent enamel. A frog-shaped pendant is set inside the egg aquamarine base imitating water. The pendant is from rough diamond weighing 35.94 carats, with golden paws, tail, eyes and coiled up tongue. Golden bed of rushes surrounds it.

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