This is a rare and unique piece of memorabilia from the Southern Pacific Railroad, featuring an advertisement for their "Daylight" train. It is a great addition to any collection of railroadiana and transportation memorabilia, and perfect for fans of the Southern Pacific Railroad. The advertisement is in the form of a billboard, and is a wonderful example of vintage advertising from the United States. It is a must-have for anyone interested in transportation history or the history of American railroads. Don't miss out on this one-of-a-kind piece of history!