I think so, yes, behind the scenes from some movie filming.Was this pic taken in the US?
The dropouts shape is also very different. I would recognize Roadmaster dropouts out of a thousand othersI may have found it...but, I can't verify because I can't find a pic of a real one .
1956-ish AMF/Shelby Flying Cloud...
View attachment 156242
I've looked at other AMF/Shelby pics of this era, and some do have dropouts that may match and the straight chainstays. But, without pics of a real one...???