1894 – 1895 1903 1905 – 1914 Appearance Mass 7.965 g [1] Diameter 22.5 mm [1] Composition gold [1] Obverse Click to John (1872-1873) [2] Albert (1874-1895) [2] George (1903) [2] Frederick Augustus III (1905-1914) [2] Reverse Reichsadler , state title, value, year [1] The 20 mark coin was first issued