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Cachet created by ArtCraft depicts a male and female chemist working in a laboratory setting, with text reading, "A Century of Modern Chemistry." Cover signed by Glen Seaborg.
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 ArtCraft
- Subject Treaty on the Non-proliferation of Nuclear Weapons (1968 June 12), Treaties, Science on postage stamps, Commemorative postage stamps, First day covers (Philately), Postage stamps, Nuclear nonproliferation, Nuclear energy--Research--Laboratories, United Nations, Cachets (Philately), and Postmarks
Cachet and stamp depict Albert Einstein. Cachet also depicts Einstein's formula for mass-energy equivalence and is from the Prominent Americans Series. The postmark is from Princeton, New Jersey.