I have only seen this car once before. It is local to me and it is now for sale.
I don't know the history on the build, but it has "Rothsport" decals on it in the engine bay/ trunk.
Click to view attachment
Check out this link for the price and more images.
http://www.speedsports.net/vehicle-details.php?show=254
If only I had M O N E Y !!!!!!
To me, THIS IS THE ULTIMATE 914!!!!!