Looking for a tangible way to teach geography or history? You can buy a pound of assorted foreign coins for less than $20. Here is one coin dealer who offers this online -- libertycoinservice.com/product/one-pound-of-mixed-foreign-coins/ -- but especially if you live in a metropolitan area, you will probably find a local stamp and coin dealer who can do the same locally (and generally more cheaply because there's no shipping).
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