The Germany 10 Mark banknote that features Carl Friedrich Gauss was issued in 1993. The front design of this replacement banknote bears a portrait of the German scientist, the Gaussian distribution curve, and the buildings in Goettingen. The reverse side features the bank logo, a heliotrope, and the triangulation network. The note has a dimension of 130 x 65 mm and is printed with a serial number that starts with the prefix Z. Its security features include a windowed security thread with demetalized 10 DM and a Carl Friedrich Gauss watermark and numeric 10.