Wall lamp in ceramic fat lava 70s

Groovy Fat Lava wall lamp, made in the 60s or 70s by Hustadt Leuchten in Germany. Perfect for use with mirror bulbs, as in the photo. Made from thick and sturdy square-shaped ceramic. Beautiful piece, with the slightest imperfection on one of the corners, probably a manufacturing defect. See the image. Dimensions: 24 x 24 centimeters (just over 9"). Suitable for E27x bulb, max. 60W. Can be used as a wired lamp or with an electrical cord and socket. Suitable for 110V and 220V networks.