The Disney Treasures may not have been bestsellers but they probably sold enough to be worthwhile, at least. I also think it shows us that there IS someone at Disney with a love for their historical material and a wish for us to be able to see it. :)
As long as we don't get more info, any guess as to the contents of the wartime set could be as good as any other.
I'll suggest some possibilities:
What does that word "wartime" mean, anyway? Couldn't it be just about anything from the 1939-45 time frame? It seems more likely, though, that...