International currency arrangements have come under scrutiny in the aftermath of the global financial crisis The dollar has been the preeminent global reserve currency for most of the past century.

In the early 1970s, U.S. treasury secretary John Connally could tell Europeans that the dollar was "our currency, but your problem." Today the world's dollar dependency is a problem for the United ...

"United States Currency" has been upgraded and will become a part of the Whitman Collector Series as the ninth edition of the popular reference goes on sale.