Searching for images for my site I came across this picture and I thought "that's a Fiat 850 Spider". But what a strange rear end. The people on the sidewalk clearly thought so too.
Fiat 850 Spider Giunsella Pozzi Lampra

It turned out to be an 850 Spider with bodywork from Giunsella from Genoa. It was named "Pozzi Lampra".

Researching for more info I ended up in the Flickr-stream by Maurizio Boi. Nearly 80 pages, all filled with with sailing, flying and roadgoing history.

850 Spider Lampra 2

Fiat 850 Spider Giunsella Pozzi Lampra

Fiat 850 Spider Giunsella Pozzi Lampra

Fiat 850 Spider Giunsella Pozzi Lampra

Good looking car, mimicking some other designs from that era.

Italian magazine Quattroruote published this (short) article:

850 giunsella