I have managed to get my 'LONE STAR' "IMPY" and "FLYERS" collection with me at my Fathers house and can now see what models I have. I have a tan "IMPY" #22 with orange seats so that can be added to my item above, plus I can now point out the body casting difference...
Mk 1 body = The floor area behind the bottom of the front seats is 'flat'...
All early models upto and including the green seats version.
Mk 2 body = The same area is angled, looking like a little smooth slope...
All models made after the green seats version, including all the "Flyers" models.

- Floor Designs.JPG (53.44 KiB) Viewed 1606 times
I have not seen a green seat version with the Mk 2 body.
GHOSTHUNTER.