Fun History Fact,During World War II British secret services attempted to trick the German governmen

Fun History Fact,During World War II British secret services attempted to trick the German government into thinking that SS Chief Heinrich Himmler was planning a coup against Hitler. The intricate plot involved the replacement of postage stamps bearing Hitler’s image with fake postage stamps bearing Himmler’s image. The great WWII stamp plot was a very subtle plot.  Indeed the plot was so subtle that few Germans noticed the fake stamps or believed they were of any significant importance. -- source link

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