Rwanda. National Bank of Rwanda. 1960-1962 "Provisional Overprint on Rwanda-Burundi Notes" Issue. 50 francs Type 1960. Dates: September 15, 1960 and October 1, 1960. Dimensions: 140 x 67 mm. Watermark: None. Material: Paper. No security thread. Printer: Bradbury, Wilkinson & Co, New Malden, England. Front and back: polychrome printing predominantly red and gray. Description of the front: Background made up of guilloche patterns with the value in the corners. Prefix and numbering in black. On the right, a lioness resting in the shade of a bush. Texts in French. Black or purple stamp "National Bank of Rwanda" on a 50 francs of Rwanda-Burundi (Pick # 4) with the signature of Governor Jean-Baptiste Habyarimana. Description of the back: Background made up of guilloche patterns and rosettes with the value in the corners. Texts in French. Large red rosette in the center.