The Spiders 1966 Duetto 1967 1750 1968 1300 Jr. 1969 US
1970-> Europe US Versions      
Some of the Alfa Romeo Spider 1966 to 1994 details and points of significance over the years

The information should be sufficient to determine the various version and successors of the original Alfa Romeo Spider 1600, the Duetto.

 

The links in the frame should help you to navigate.

 

Enjoy Wille R.