Namibia. Bank of Namibia. 2015-2018 "Without Diamond" Issues. Date indicated on the note: 2015 or 2018. Dimensions: 134 x 70 mm. Watermark: Sam Nujoma and electrotype 20. Without large OVI diamond at center. BON as Diaphan registration device. Yellow "Omron" safety rings on the front and back. Material: paper. Security thread. Printer: Oberthur Technologies, France. Multicolored front and back printing, predominantly orange, purple and green. Description of the front: gradient safety background made up of small geometric patterns. Portrait of Sam Nujoma (1929-), first President of the Namibian Republic between 1990 and 2005. Windhoek Parliament building in the background. Prefix (D or E) with normal and ascending eight-digit numbering in black and red. Texts in English. Value "20" in the corners. Governor's signature in dark red: Ipumbu W. Shiimi. Description of the back: texts in English. Coat of arms of Namibia. Value "20" in the corners. Flag of Namibia. Green-to-magenta/blue Janus windowed security thread with demetalized BON 20. Three standing red hartebeest in vigilance.