World's worst currencies

Nice roundup if the world's least spendable currencies -- someone just told me that the exchange houses in London don't even have a "buy rate" for Zimbabwean money, because the inflation is so rapid that they don't want any more of it.

I bought some 100,000,000 Dinar notes in Serbia last week with Nicola Tesla on them -- I think I paid about $1 for the note, and apparently, this is the highest value that note ever had.

Zimbabwe

Currency: Zimbabwean dollar (ZWD)

Inflation rate: 3,714 percent and rising

Exchange rate: Officially, 250 ZWD per US$1; unofficially, as high as 750 ZWD to the U.S. dollar

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