The Zimbabwe 50 Billion dollar banknote was issued by the Reserve Bank of Zimbabwe in 2008 as part of Series AB. Featured on the obverse of the brown banknote is the Chiremba balancing rock formation in Epworth. It also shows stylized grains and a cow in underprint as well as a Zimbabwe bird in Optically Variable Ink. The reverse depicts the Great Zimbabwe ruins on the left and the RBZ headquarters building in Harare. The banknote is 148 x 74 mm in size and carries a 3-mm gold-to-green OVI stripe with repeating RBz. It has no security thread and watermark. This Zimbabwe 50 Billion dollar banknote bears a radar serial number and is in uncirculated condition. Additionally, it has been TAP authenticated.