Interesting polish sconces r brutalist , from the 70s of the People's Republic of Poland  when it was still part of the URSS , the soviet brutalist movement was inspired by the german bahaus and Russian futurist of the 1920's .

Brushed aluminium , Polam Bielsko-Biała seems to be the name of a town where the factory was located .

H.8  x D.5  , working consition with pull switch 

There is a set an  accompaying  chandelier  available ( see picture) 

Polam Bielsko-Biała pair of sconces mid century brutalist Hanging Light