Great looking Spit PSN. I know it has absolutely nothing to do with the subject of this thread but I searched high and low for a color scheme for my Midwest Harvard and, out of thousands of options, I finally settled on Danish markings. The red/white roundells and fin flash look great and add tremendously to the visibility, as do the yellow undersides. They look just as good on the Spitfire in your pics above. I've had lots of people guess as to the nationality of the markings but, so far, nobody has managed to identify them correctly! I was saddened to learn that the restored Harvard that I based my model on was lost in a fatal crash not too many years ago.
Best of luck with your Spitfire!
