Did I post on this earlier? I'm not sure, but I don't think so.
A month or so ago, we were driving around Fairfax Virginia and saw the strangest car just ahead. We followed it as it pulled into a restaurant parking lot, then hopped out to take pictures when the owner left to go inside.
I think this is probably authentic, but I don't know. Are there any fake Batmobiles around? Was there more than one 'original' made when the series aired?
Regardless, it was an interesting encounter.