At the height of Zimbabwe's economic crisis in 2008, Zimbabweans had to carry plastic bags bulging with bank notes to buy basic goods like bread and milk. Prices were rising at least twice a day.
http://news.yahoo.com/currency-dies-zimbabweans-5-175-quadrillion-local-dollars-153844646.html
http://news.yahoo.com/currency-dies-zimbabweans-5-175-quadrillion-local-dollars-153844646.html