Zimbabwean dollar (1980–2009)
The Zimbabwean dollar (sign: $, or Z$ to distinguish it from other dollar-denominated currencies) was the name of four official currencies of Zimbabwe from 1980 to 12 April 2009. During this time, it was subject to periods of extreme inflation, followed by a period of hyperinflation.
Source: Wikipedia — Zimbabwean dollar (1980–2009) (CC BY-SA 4.0)