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Depicts Alexander Fleming, who won the Nobel Prize for the discovery of penicillin.
Cachet created by Colorano is a silk depiction of Rosalyn S. Yalow with text that describes the work which earned her the 1977 Nobel Prize in Medicine. Part of the Women's History Series (No. 83) by the National…
- after 1970 – before 1991
Stamp depicts Alexander Fleming and penicillin.