It is an electric "microvettura realizzata nei dopoguerra nell'officina di Emilio Castagna" - which means that this was a microcar by Emilio Castagna, made just after the 2nd World War. Or the captions were mixed up
, because there's another microcar featured there which I am sure was also a puzzle here and which would fit into the my car is soooo light puzzle neatly. I may scan it later this weekend.
As it is probably obvious by now, I have bought a bunch of La Manovella magazines and I found them fascinating. I have duplicates and I'd like to exchange copies if someone's interested