This rare industrial explosion-proof wall lamp from Perfeclair is made of cast steel and very thick glass. It was used to illuminate a NATO gasoline depot in the 1950s. It features an original E 27 socket. 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, European Plug (up to 250V).The wiring of this item may be original and might need replacement, if not specified otherwise.