Wow, I just realized that I need to scan some stuff for this blog! Fortunately there are still plenty of images to share with you, the faithful reader (all five of you!!). This is a last-minute post, so please forgive my lack of preparation.
Here's a nice photo from the Autopia, from August 1968. The vehicle is fairly distinctive, with the "eyebrow" in front. Somebody out there is better informed than I am and can tell us what they are called. Mark VI?
The dreaded center-rail has been added by this time. Kids don't know the difference, but it must have been pretty exciting back in the old days when you really could crash into walls. Keep those children on their toes!