This is a pretty horrible (in my humble opinion) design and not easy to make out. I think it’s a poodle dog with a boot in its mouth.
More work from Brunicardi can be found here
Poodle dog by Brunicardi – Reg 899730
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 