Well yesterday it was a Z$ billion for a pound of coffee that is probably worth US $5-10, so around 100-200 million to the US dollar. By October, the inflation rate is projected at 5 million percent, crazy stuff when you have to trade in your wallet for a wheelbarrow. Like the 1920's in Germany.
Their currency is still very valuable -- get the small denomination bills and they can be used as fuel since they are cheaper than wood or clean paper, not to mention lighting a cigar up will a hundred million note when the permit arrives for KRY.