I have done some research and found out that the ATSF had 2 TR4A/B Sets numbered 2418AL and 2419AL. I purchased a TR4 set today at a train show and would like to repaint them from their current B&O Scheme into one of these ATSF TR4 sets. They were delivered in 1950 to the ATSF. I model 1955, and would like to incorporate them into my operating scheme. However, I cannot find as delivered photos of these sets. I did find photos of them in October 1967 with yellow on the ends and the main carbody is ATSF Blue. Were these the as delivered scheme instead of the earlier Zebra Scheme?? Any prototype help would be appreciated.