St. Paddy's Day is tomorrow so I'm celebrating with this fun quiz about greenbacks, or as it's commonly known, money. After you've racked your brain reward yourself with a shamrock shake! Here's a little piece of trivia to get you started: the term greenback dates back to 1861, when Demand Notes (with their green backs) were issued by the U.S. and used to finance the Civil War.
I seriously thought $20s would be the most printed because that is all that anyone seems to have any more. I bet they are second to ones.
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That was tough! I didn't get the last one. 
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Oof, tough quiz!
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