Solid wood sculptural lamp foot brutalist design

Sculptural solid wood lamp foot with brutalist design. Work from the 70s. Nice overall condition. Remarkable patina. Note a slit on one of the four tapered parts forming the circumference of the foot (see photos and zoom). The total height of the foot (including the socket) is 38.5 cm. The dimensions of the base are 9.5 cm X 9.5 cm. Works with bayonet bulb not included. The lampshade visible in the photos is not provided.