Rwanda. National Bank of Rwanda (Banki Nasiyonali y'u Rwanda). 1978 Issues. 500 francs Type 1978. Date: January 1, 1978. Dimensions: 145 x 70 mm. Watermark: Varieties. Material: Paper. No security thread. Printer: Unknown. Front and back: Polychrome printing. Description of the front: Background made up of repeating patterns with the value in the upper corners. Prefix and numbering in black. Group of six impalas in the savannah. Texts in French. Combinations of signatures in black with the Administrator (unknown) and the Governor, Jean-Baptiste Ngirabacu. Description of the back: Background made up of patterns with the value in the upper corners. In the foreground on the left, a group of 8 percussionists and on the right, a scene of miners at work in an open-cast mine. Texts in Kinyarwanda.