Tyres also look like 195SR14 blackwall radials which were standard on XV2 Belmont (SS). XV4 Kingswood (GTS sedan) got ER70H14 blackwall radials which the ones in the photo look too tall to be.

You can see a copy of the production broadcast sheet attached to the windscreen on this car and on the torquoise looking car behind.

This will be an early car as there are no stripes on the car. Early cars had transfers which would probably would have been fitted in the touch up section of the assembly plant. Later run cars had the stripes painted and they'd logically have been done mostly in the BODY plant's paint shop and would be seen on this car if it was a later car. Shame we can't see the text on the broadcast sheet or we'd know which one of the initial 1600 cars this one is!