You definitely have the shapes and placement of the scratches down, so on that end it looks stellar. However I have to echo what's been said about the colours - those red scratches should be gray (Reefer Gray to be specific), and the back should be a blue-green (RLM73). I don't know if you actually are colour blind or if that was a joke, but at the very least read the names of the paints you're using and you can't go wrong

. You have the skills, so just touch up those two colours and it will look much better.