pkurowski

I have been looking for Spitfire and Hurricane ID letters. A sheet of alphabets in grey. I am working on a Tom Neil Hurricane GN-F and Bob Doe Spitfire. Can anyone point me in the right direction. After scouring the internet for hours I have not found what I need. WHile I'm at it. how is the letter size dertemined?....i.e. 8", 12", 16"