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  Postage stamps

  First Day Cover commemorating chemistry

  • 1976

  Colorano cachet includes a silk depiction of two alchemists in a laboratory. Stamp depicts chemical glassware and fluids.

  • Creator Of Work Colorano
  • Subject Postage stamps, Chemistry, Laboratories--Equipment and supplies, Alchemists, Postmarks, Commemorative postage stamps, American Chemical Society, Science on postage stamps, Cachets (Philately), First day covers (Philately)
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  Postage stamps

  First Day Cover commemorating United Nations Treaty on Non-Proliferation of Nuclear Weapons

  • 1972

  Cachet created by ArtCraft includes depictions of an Atomic Research Center. Stamp depicts a mushroom cloud from a nuclear explosion crossed out with an "x".

  • Creator Of Work ArtCraft
  • Subject Postage stamps, Postmarks, Commemorative postage stamps, United Nations, Treaties, Science on postage stamps, Nuclear nonproliferation, Nuclear energy--Research--Laboratories, Cachets (Philately), First day covers (Philately), Treaty on the Non-proliferation of Nuclear Weapons (1968 June 12)
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  Postage stamps

  First Day Cover commemorating United Nations efforts for the cessation of nuclear testing and preservation of humanity

  • 1964

  Cachet and stamp depict a mushroom cloud from a nuclear weapons test. Cachet was created by Fleetwood and the stamp was commissioned by the United Nations Postal Administration. Postmark depicts the United Nations…

  • Creator Of Work Fleetwood
  • Subject Postage stamps, Nuclear weapons--Testing, Postmarks, Commemorative postage stamps, United Nations, Science on postage stamps, Nuclear nonproliferation, Cachets (Philately), First day covers (Philately)