Pininfarina did a lot better than Michelotti and designed this 1000 Spider for Abarth. A beautiful car. Once, a long time ago, I had a kit of this. Gone too.

In the 1965 Automobil-Revue I came across this article:

850 abarth 2000 automobilrevue65 5

And, of course, there a more images: 

Pininfarina Abarth 1000

Pininfarina Abarth 1000 achter

Pininfarina Abarth 1000 Spider

Published in Quattroruote.