The Italian prices when launched were:

Alfa Romeo Spider 1600 Duetto (1966) Price 2.312.800 Lire
Alfa Romeo Spider 1750 Veloce (1967) Price 2.312.800 Lire
Alfa Romeo Spider 1300 Junior (1968) Price  1.796.000 Lire

 

The numbers refer to the last verified Roundtails. More.

1966 - 1967  1600 Spider   Duetto   LHD

660001 - 665961

 

1966 - 1967  1600 Spider   Duetto   RHD

710001 - 710380

 

1967 - 1969   1750 Spider Veloce European version   LHD

1410001 - 1412786

 

1969 - 1969   1750 Spider Veloce European version RHD

1470001 - 1470601

 

1969 - 1970    1750 Spider Veloce US version LHD

1480001 - 1482215

 

1969 - 1970 1300 Junior LHD

1670001 - 1672677

 

1968 - 1970 1300 Junior RHD

1695001 - 1690266

 

I have used  a picture or report from Centro Documentazione to state the last of each version. The 1750 Spider Veloce used the same VIN, i.e. 141xxxx or 148xxxx for the Kamm-tails which may be confusing. Furthermore, most of the 1300 Juniors are no longer running for some reason. Very few of them are still alive.

 

So, my figures add up as: