| Paperback Money
Chrysta mentioned teaching British Literature. I was able to get a few authors on world banknotes just from the Bulk Collector Lots people sell in the classifieds and from the common 3-rings at coin shows. I doubt that I paid as much as $5 for any of these and most were 25cents to 50cents.
Charles Dickens on a 10-pound note will run you under $20 US. So, there are some exceptions. Many of the "new" nations of the former communist bloc honor authors. Iceland, of course, is famous for its 10-kronor note celebrating household literacy.
This is just one of many series you can build if you have an interest in something special. I teach middle school and I have preference for math and science, so I just picked up some high denomination notes (billions), inflation money, you know. I will use it to teach Scientific Notation.
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Tradurre e tradire.
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