It was made in Italy (by XXXXXX & XXXXXXX XXX), and shown 1st time there.
It came from an idea of Piero's son, Carlo Dusio.
The total run of 30 cars was going to be sold in Argentina too.
The nickname was indeed 'Lupa', but it had an official name too.
Now is locked for you, the answer can be found also where you took this pic