Stylish pendant light, attributed to Gio Ponti for Greco Illuminazione, Italy 1950s

Black enamelled metal curved shade with integral diffuser in concentric white enamelled metal rings which produce a beautiful lighting effect.
The shade 50cm diameter, 27cm high. At the top of the hanging cable there is the original black plastic ceiling cup.

This light is possibly the design by Gio Ponti who created several models for the lighting company Greco in the 1950s.