May suit older FIATs - Tipo, Uno, Classic Panda and perhaps Cinquecentos too - maybe too big to look right on a classic 500?

http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=120620943747

5.5J x 14 ET45 so probably needs a 175 section tyre, or even 165.

May be magnesium but not too sure on this (would limit painting/power coating options).

According to this they _should_ be 4x98, check the second paragraph up.

http://www.digest.net/alfa/archive/v7/1/msg03947.html

Starting at £50, piccy to save click for the lazy:

Oh, and some other research shows that Campatura roughly translates to offset.