Mid century round ceramic wall lamp, Netherlands 1960s

Round ceramic wall lamp. The lamp has two openings for the light to shine through. It is Matt glazed in earth tone colors with a spiral decor in the facade of the lamp.
The lamp is in very good condition and fully functional.
It has no attribution marks but was most likely made by a pottery studio on the south of The Netherlands.

Suitable for 110volts and 240volts depending on the bulb used.