Postcards as the news media / 1910's Japanese WW1 Battle Scenes Art Postcards " The Great War of the World Powers " / austria hungary russian german french belgium army

Since the Russo Japanese War, there had been "a postcards boom" in Japan.
The WW1 main battles occurred far from Japan, and postcards like these ones were the war information source for Japanese people, along with journals and newspapers. Postcard was one of the news media.