What's Your Favorite Forgotten Limited-Edition Car?S

The story about the Autech Stelvio, a car we were unaware of before today, got us thinking about other limited-edition cars that may have been lost to history. Cars like the Intermeccanica Murena 429 GT and the Rambo Lambo. For that matter, whatever happened to the Fornasari RR600?

The are more cars that were actually produced in small numbers for homolgation or insane rich people than we can count or remember, including some actual works of art. Help everyone remember by posting your favorite piece of forgotten small run automobilia below.