From anarchists creating fake stamps to ones that doubled as vinyl records, the world of postage is far more fascinating…and stranger…than you’d ever imagine. Today I’m giving you 25 Really ...

• Debuting in 1992, the modern version of the self-stick stamp has, well, licked the traditional wet-and-stick version. By 1994, 8 percent of U.S. postage stamps were self-stick. That number climbed ...