Tanzania. Bank of Tanzania (Benki Kuu Ya Tanzania). 1990-1992 Issues. 1,000 shillings Type 1990. Date: 1990. Dimensions: 167 x 91 mm. Watermark: Giraffe head. Material: Paper. Solid security thread with printed BENKI KUU YA TANZANIA. Printer: Thomas De la Rue (TDLR), London, England. Front and back: Polychrome printing predominantly green, purple and pink. 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. Two elephants on the left. Coat of arms of Tanzania in the center. Texts in Swahili. Combination of signatures with the Minister of Finance (or Waziri wa Fedha), Stephen A. Kibona and the Governor (or Gavana), Gilman Rutihinda. Description of the back: Background made up of guilloche and geometric patterns with the value in the corners. Texts in Swahili. Factory buildings. Ancient carved door of the People's Bank of Zanzibar. Replacement notes: Prefix ZZ and ZY.