I just read this news article:
Yahoo News article about US court case
In summary, it says that a U.S. court ruled that the design of American monetary currency “discriminates against blind people”.
They said this because U.S. paper bills are all identical in size, shape, color and texture. So it’s difficult for people with poor vision to differentiate between different denominations.
America is the only country whose money is like that.
And since this court ruling, it seems that America’s money will finally be redesigned so that the different denominations have either a different color, size, or texture (ie: braille on the notes) like the rest of the world.
Japan’s paper money, for example, is in different sizes and colors, and the bills have braille on the corner of them.
Tokyo Five 
Hi everyone! Brett says that in Australia the money is washable and really hard to rip–in Guatemala, the new one quetzal notes are like that–indestructible and washable, and all the different denominations have different colors. Here, a lot of people stick their money inside their clothing, so the washable aspect is a really good idea, not that I’ve felt called upon to wash any money lately. Talk about laundering funds…… If they could just work out a way for the money to reproduce….
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I heard about this a few months ago. It’s good to know that they’re finally going to do something about it.
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