The Zimbabwe 500 Million Dollars Banknote was issued by the Reserve Bank of Zimbabwe in 2008 with the AB prefix. The obverse of the purple banknote features the Chiremba balancing rocks in Epworth. It shows stylized grains and a cow in the underprint, and a Zimbabwe Bird in Optically Variable Ink. The reverse depicts workers milking cows and a miner with a jackhammer. The banknote contains a 3-mm gold-to-green OVI stripe with repeating RBZ. It does not contain a security thread and watermark. The note measures 148 x 74 mm. This particular banknote has a missing corner tip error and has been graded 63 by the Paper Money Guaranty.