Tanzania. Bank of Tanzania (Benki Kuu Ya Tanzania). 1985 Issues. 20 shillings Type 1985. Date: 1985. Dimensions: 140 x 70 mm. Watermark: Giraffe head. Material: Paper. Solid security thread. Printer: Thomas De la Rue (TDLR), London, England. Front and back: Polychrome printing predominantly purple. 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 in a shirt. Torch. Coat of arms of Tanzania in the center. Texts in Swahili. Combination of signatures with the Minister of Finance, Cleopa David Msuya and the Governor, Charles Nyirabu. Description of the back: Background made up of guilloche and geometric patterns with the value in the corners. Texts in Swahili. Workers at work in a tire factory. Map of Tanzania. Replacement notes: Prefix ZZ and ZY.