Old vintage “block” opaline wall light

Antique wall lamp from the "bloc" brand in bakelite and opaline. Screw-on lampshade. In good general condition. Some signs of age. 3 possible positions. Connection by domino. Bayonet socket (b22 bulb). Base dimensions: 11.5 x 10 cm. Shade diameter: 9 cm. Shade height: 14 cm. Offset: 20 cm. Weight: 0.6 kg. Table lamp, articulated lamp, table lamp, desk lamp, wall lamp, pendant lamp, ceiling light, vintage, garage, portable lamp, opaline, Clichy glass, industrial lamp, accordion lamp, zip-zag lamp. Fresnel lens, Arlus, Cremer, Kaiser Idell, Jumo, Gras Ravel Clamart, Jielde Holophane, Sanfil, Solere, Kandem, Swan Neck, Workshop Factory, Industrial, Mazda, Midgard, Perriand, Le Corbusier, Singer, Hala, Luxo, Bauhaus, Schaco, Super Chrome.