A 20,000 rial banknote, which today was worth less than 60 cents.
Atta Kenare /AFP/Getty Images
October 2, 2012 Under pressure from economic sanctions, Iran's currency is tumbling. It has lost about 25 percent of its value in the past week. Two years ago, the rial traded at 10,000 to the dollar. Now, it's trading around 35,500 to the dollar.
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