My uncle and aunt, both blind, ran a coffee shop for many years on an Oklahoma university campus. They were adept at recognizing money, yet it was extremely rare for them to be misled by a customer. My, how times have changed.
Thanks for this look at something that is a silent problem. How sad. Ever since my first trip to Europe with all the various sizes of paper money I have wondered why we have stuck with this ridiculous system of same sized paper bills.
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