Vignale too made variations on the Fiat 850 theme: Berlina, Special, Coupe and Spider got their share of redesigning.
Pictures from Quattroruote:
The Berlina (also was available as Special)
The Coupe
The Spider.
One of Vignale's best is the 1000 Coupe:
And of course the Berlinetta based on the 850 Special: