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Digital Collections

Postage stamps

First Day Cover commemorating the "Science of Chemistry"

  • 1976

Rights

Public Domain

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First day cover created by Artmaster includes cachet depicting a 3D image of a nonexistent molecule. Stamp depicts chemical glassware. Envelope is signed by Herman S. Bloch, the inventor of the catalytic converter.

Property Value
Creator of work
Place of publication
Format
Genre
Language
Inscription
  • (Top of envelope) "Herman S. Bloch"
Subject
Rights Public Domain Mark 1.0
Credit line
  • Courtesy of Science History Institute

Institutional location

Department
Collection
Physical container
  • Box 6

View collection guide View in library catalog

Related Items

Cite as

Artmaster. “First Day Cover Commemorating the ‘Science of Chemistry.’” United States, 1976. Witco Stamp Collection, Box 6. Science History Institute. Philadelphia. https://digital.sciencehistory.org/works/x633f1090.

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The Science History Institute recognizes there are materials in our collections that may be offensive or harmful, containing racist, sexist, Eurocentric, ableist, or homophobic language or depictions. The history of science is not exempt from beliefs or practices harmful to traditionally marginalized groups. The Institute is engaged in ongoing efforts to responsibly present and address the evidence of oppression and injustice inextricable from the history of science. If you would like to learn more about our ongoing efforts or if you encounter harmful, inaccurate, or insufficient descriptions, please contact us at digital@sciencehistory.org.