hallo abcman,
think those Campagnolo wheels will fit nicely ( have seen them on a 124 sport).
400 euro is a fair price ; but if you have time ( I saw your introduction), take your time to look around.
There are good bargains in 'the wheel-department'.
I found mine (Cromadora abarth) at 125 euro, on a FSO ! ( in fact ,was 150 euro complete with the car)
FSO = no nonsense car, they said in their advertising campaign

( FSO was the firm that made the great Yugo)
groeten, Geert.
