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100 Markkaa Artturi Ilmari Virtanen
| Issuer | Bank of Finland |
|---|---|
| Year | 1995 |
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| Orientation | Medal alignment ↑↑ |
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| Obverse script | Latin |
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| Reverse script | Latin |
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Artturi Ilmari Virtanen received the Nobel Prize in Chemistry in 1945 for his AIV method — a silage preservation technique developed in the 1920s that transformed Nordic agriculture by allowing farmers to store fodder through winter without nutrient loss. The method was simple enough to be adopted across rural Finland within a decade, and Virtanen spent much of his career at the University of Helsinki refining its applications.
This issue was part of Finland's ongoing commemorative series honoring its Nobel laureates, struck in the year that marked the 50th anniversary of his prize.