Lot · 1941-Now: Unused
4544 MNH 2011 FCF Severo Ochoa Biochemist synthesized RNA Nobel genetics DNA
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Sat · Jul 18, 2026
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80s_philately
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Description
From the seller2011 44¢ Severo Ochoa. U.S. #4544. Three years earlier, Ochoa had discovered how to artificially create proteins (the main building blocks of life). Issue Date: June 16, 2011. Quantity: 30,000,000.
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