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On May 4, 2005, the USPS issued a set of four stamps honoring four American Scientists - John von Neumann, Josiah Willard Gibbs, Barbara McClintock, and Richard Feynman. Shown here is a genuine First Day Cover, an envelope with the stamp for Barbara McClintock cancelled from the city of issue (New Haven, CT) on the first day of issue captioned above. Note the special 'atom' postmark created to cancel this set of stamps on their 'birthday', featuring the name of each scientist.
The full-color cachet (artwork on the envelope) depicts a portrait of McClintock, one of the world's most distinguished cytogeneticists, and recipient of the Nobel Prize in Physiology or Medicine in 1983 for the discovery of genetic transportation. The cachet is printed on silk, the luster lending an-almost three-dimensional quality to the portrait. Collectible, historic, this cover honors one of the twentieth century's most notable geneticists....Barbara McClintock.
Double matted in blue and white, it's sized to fit a standard 8x10 frame. ***Certificate of Authenticity Included***
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