Rwanda. National Bank of Rwanda. 1960-1962 "Provisional Overprint on Rwanda-Burundi Notes" Issue. 20 francs Type 1960. Date: October 5, 1960. Dimensions: 130 x 64 mm. Watermark: None. Material: Paper. No security thread. Printer: Thomas De la Rue (TDLR), London, England. Front and back: Polychrome printing predominantly green and pink. Description of the front: Frame composed of guilloche patterns with the value in the corners. Prefix and numbering in black. On the right, a crocodile by a river. Texts in French. Black handstamp "National Bank of Rwanda" on a 20 francs of Rwanda-Burundi (Pick # 3) with the signature of Governor Jean-Baptiste Habyarimana. Description of the back: Frame composed of guilloche patterns with the value in the corners. Texts in Kinyarwanda. Large rosette in the center.