About #21 - 500 shillings type 1992
Tanzania. Bank of Tanzania (Benki Kuu Ya Tanzania). 1990-1992 Issues. 500 shillings Type 1992. Date: 1992. Dimensions: 163 x 87 mm. Watermark: Giraffe head. Material: Paper. Varieties of security threads. Printer: Thomas De la Rue (TDLR), London, England. Front and back: Polychrome printing predominantly blue, pink and orange. Description of the front: Background made up of guilloche and geometric patterns with the value in the angles. Prefix and numbering in black. On the right, a portrait of second president Ali Hassan Mwinyi in a shirt. Zebra on left. Coat of arms of Tanzania in the center. Texts in Swahili. Three combinations of signatures with the Minister of Finance (or Waziri wa Fedha) and the Governor (or Gavana). Description of the back: Background made up of guilloche and geometric patterns with the value in the corners. Texts in Swahili. Scene of harvesting coffee berries. Replacement notes: Prefix ZZ and ZY.