Mid-century wall or ceiling lamp. bakelite base with very clear crystal glass. 1960-1970 diameter base 185 mm / 7.3 inches 1x e27 / e26 – max 60 watt this piece has an attribution mark, i am sure that it is completely authentic and take full responsibility for any authenticity issues arising from misattribution, up to 250v (europe/uk standard).the wiring of this item may be original and might need replacement, if not specified otherwise.