"Important Lamp Attributed To "chapelle Nancy""
Magnificent mushroom-shaped lamp in hammered wrought iron from the art deco period. Very rare, opaline lava glassware signed Daum Nancy France. The opaline lava process is a glass art. It is a mixture of silica, lead, potash, to which bone or horn ashes are added, all brought to fusion, unlike ordinary opal which is a natural hard stone. The glassware has no cracks or chips. The electricity is original, the tip of the socket is in ivory. Dimensions... Total height: 51cm Hat diameter: 32cm 
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