Thanks to @EricaGlaser for this one

Keep reading for interesting aspects of the story… enjoying:

In 1997 Dr. Bex Lewis, taken with a youthful visit to a museum’s propaganda collection, wrote an authoritative dissertation on the poster. This research is oft-copied but rarely cited (boo).

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In 2000, Barter Books in England reprinted it from a rare original they discovered, and it sold merrily.