There's obviously a great deal of discussion about what colour/number Flying Scotsman should wear, and the curator of the NRM has written a blog post about the various guises she appeared in throughout her career. Thought it might be of interest for some people:
http://blog.nrm.org.uk/2015/03/11/many-guises-of-flying-scotsman/
Regards
http://blog.nrm.org.uk/2015/03/11/many-guises-of-flying-scotsman/
Regards