I am fairly certain that this piece is by Paoli given the use of the product coding “BL”. They did register 887094 which also used BL.
Lady wall plaque by Paoli – Prod No BL7
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 