Originally Posted by
italianbiker
I think this is a Specialissima or X3. The right rear chrome was common on those 2 particular models. I believe the precursor to the Mondiale.
I found a couple of European (Finnish and German) catalogue pages that list it as a Specialissima X3. Excellent matches for the OP's frame. Both show it being Campagnolo Super Record equipped. No model year mentioned but again, we know it can't be older than 1984 by virtue of the SLX tubing.