About #7 - 20 shillings type 1978
Tanzania. Bank of Tanzania (Benki Kuu Ya Tanzania). 1977-1978 Issues. 20 shillings Type 1978. Date: 1978. Dimensions: 149 x 76 mm. Watermark: Giraffe head. Material: Paper. Solid security thread. Printer: Thomas De la Rue (TDLR), London, England. Front and back: Polychrome printing predominantly blue. 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 the first president Julius Kambarage Nyerere. Torch. 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. Worker on a cotton spinning machine. Map of Tanzania. Replacement notes: Prefix ZZ and ZY.