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By Eric Westervelt
The Havelbluete, the Augusta and the Chiemgauer might sound like the names of locally brewed beers, but they are in fact micro-currencies which, like micro-breweries, are in abundance in Germany. There are more than two dozen local currencies in circulation, and 40 or so initiatives are about to start printing their own banknotes. These notes are not gimmicks. They’re recognized legal tender — at least within each local region.