This is a late-'70s proposal for what would become the Jaguar XJ-40 series.
It is a Jaguar XJ40 proposal, yes, but I'm afraid it looks like you've been trumped..
xj-40 proposal from Bertone
..because it is this Bertone proposal, which I have as from 1982 althought I'm not convinced about that date.
The puzzle car is the one shown in your side-view. Your front view is not actually the same car!
Here's the original of my puzzle car (you can see the lights set into the bumper on your photo are not there on the puzzle car, and the bumper wraps around, which it doesn't on your picture).
Well done and bad luck tonyola.