I have included this one by Dino Romei (registered 3rd March 1958) for completeness as it was listed as a mantel ornament and another designer based in London.
Accordion by Dino Romei Reg 887140
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 