History: An American flag merchant in Paris, after the United States entered the war, 1917. [Colorization] [1024x683]

https://i.redd.it/w05y7w3fu8571.jpg via /r/HistoryPorn https://www.reddit.com/r/HistoryPorn/comments/nzog8q/an_american_flag_merchant_in_paris_after_the/?utm_source=ifttt