Ok, thanks. I have never seen one either until now. The car is rough but restorable. I think it would be a pretty odd car. The fender tag is missing but the full interior is still in the car so may be able to find a build sheet.
I found a 72 Demon 340 that is factory A4 Gunmetal Grey with black stripes and a factory half black vinyl top. Just wondered if anyone knows the fender tag code for a half top or if anyone has ever seen a 72 Demon with a half vinyl roof?