Wendell, I've been doing some thinking on this... And I know personally I would love to see your lanterns alongside one of those Stop sign paddles the Crossing Guards used to carry and use...
Such as this one I found a photo of:

If you could also find a good photo of such a Railroad Crossing Guard that would really pop: Here is a photo of one such guard from the 40s, in North Baltimore, Ohio... He was a local hero in that, he saved a child from being hit by a train....
http://www.northbaltimorehistory.org/article13.html