This was a piece registered by Nieri on 17th October 1961. Given the spiral pattern under the lamp fitting, I suspect the lamp shade was a particular shape as well?
Lady lamp by Nieri – Reg 902929
The site for everything to know about DURON, Paoli, Nieri and Bacci vintage african black chalkware / gypsum sculptures and figurines made in the 1950s and 1960s
1950s vintage chalkware statues 