Zimbabwean currency. Despite soaring inflation rates the formal banking system still uses an official exchange rate pegged at 250 Zimbabwe dollars (ZWD) to the US dollar. On the illegal parallel market the American dollar is worth over 150,000 ZWD (mid November). Reserve Bank governor Gideon Gono has described the thriving black market trade in foreign currency as Zimbabwes own World Bank. United Nations World Food Programme sacks of grain are visible.