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The Bison Note
Move your cursor over the bill or tap it on your screen to see the reverse side.


- This note was nicknamed the bison note or buffalo bill because of the center portrait.
- First issued in 1901, this large-size legal tender note was the first time the center portrait depicted a mammal, an American bison believed to be modeled after either a bison named Black Diamond in the Central Park Zoo or one who lived at the Washington Zoo.
- The front, or obverse, of the note features the explorers Meriwether Lewis and William Clark on either side of the bison.
- The back, or reverse, of the note features a female figure, Columbia, standing between two pillars.