Hi Graham.
The profiles are from a blow up of a Spitfire In the background in Red Stars 4. It should be noted that some of the profiles in that are debateable, but I think was the first Spitfire profile with single colour uppers.
I found, I think on here, an image of. 1948 Spitfire, which looks like this.
.
Is the only post war VVS Spitfire photo I have seen, looks to be green over light blue, but could be dark grey uppers.
Seems that just after the war most planes got repainted, maybe to keep ground crew busy, or for victory parades. But who know what else happened.....until more photos leak out, if they even exist!
Typing on a tablet.. may add more later.