This bowl (or shade cup) of suspension is an Art light fixture.

This is the basin model no. 529 from Verreries d'Art Degué, created by David Guéron. Period and style: A pure product of the Art Deco period (around 1930). The design perfectly combines geometric rigor (the central "sunray" motif) and the stylized naturalism characteristic of the era (the frieze of geometric flowers around the edge). Condition: According to the transparency views, the glassware appears to be in excellent overall condition, with no major visible cracks, which is essential for this type of thick molded-pressed glass piece. The three original mounting holes.