I just found another one on early Datusns that also contains concept cars that were named Nissans before the rest of the Datsuns were:
http://www.earlydatsun.com/
When somebody identified arare Datsun Bluebird in an episode of Naked City, I looked up other Bluebirds of the same era, and found that link. After that I wondered if we had any cars here that were misidentified as being "Made for Movie," or not identified at all.
