DNA Scientists Francis Crick and James Watson Signed First Day Cover Honoring Health Research

Nobel Prize winning scientists, James Watson and Francis Crick signed first day cover honoring ''Health Research'', rare as signed by both DNA discoverers: ''James D. Watson'' and ''Francis Crick''. Cover promoting Health Research has the Colorano Silk Cachet, postmarked New York, 17 May 1984. Measures 6.5'' x 3.5''. Near fine condition.
Price: $2,000
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DNA Scientists Francis Crick and James Watson Signed First Day Cover Honoring Health ResearchDNA Scientists Francis Crick and James Watson Signed First Day Cover Honoring Health Research
DNA Scientists Francis Crick and James Watson Signed First Day Cover Honoring Health Research
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