Another one from "Postwar Spohn" in featured articles by Paul Jaray:
Arthur Cooper's Packard The Comet (source: Motor Trend November 1953)
Sorry...
Yes, unfortunately it's featured in the same thread on AP as my other puzzle, quite coincidentally from my point of view as they came from different sources, but of course if you got one from there you'd automatically get this one too...
Ah well, c'st la vie..
Another point for you!