German Democratic Republic. State Bank of the German Democratic Republic. 1971-1975 Issues. Date: 1975. Dimensions: 130 x 56 mm. Watermark: Goethe. Material: Paper. Solid security thread. Printer: VEB Wertpapierdruckerei, Leipzig. Multicolored front and back printing, predominantly brown and green. Description of the front: Background made up of guilloche patterns. Texts in German. Portrait of the German writer and mathematician Johann Wolfgang von Goethe (1749-1832). Letter and numbering with six or 7 digits in red. Value "ZWANZIG MARK" in a rosette in the center. Coat of arms of Germany. No signature. Description of the back: Texts in German. Coat of arms of Germany. Background composed of guilloche patterns. Value in letters "ZWANZIG MARK". Above, a view of a school exit. Replacement note with Y or Z prefix.