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".
|Place of publication|
|Original file type||TIFF|
|View in library catalog|
ArtCraft. “First Day Cover Commemorating United Nations Treaty on Non-Proliferation of Nuclear Weapons.” United States, 1972. Witco Stamp Collection, Box 4. Science History Institute. Philadelphia. https://digital.sciencehistory.org/works/nv9352905.
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