I have not been able to verify elsewhere, but the product numbering is similar to Paoli and the facial features could also relate to Paoli.
Do you have this piece and if so, are there any more markings on it.
Drummer by Paoli – 446 B
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 