This reminded me of the mail coaches in express trains of India. Some train routes still have a mail qualifier in their name. Mail by rail. https://en.m.wikipe

This reminded me of the mail coaches in express trains of India. Some train routes still have a mail qualifier in their name. Mail by rail. https://en.m.wikipedia.org/wiki/Express_trains_in_India https://en.m.wikipedia.org/wiki/Express_trains_in_India