20.00 Years circulated 1872 – 1874 1894 – 1895 1911 – 1914 Appearance Mass 7.965 g Diameter 22.5 mm Composition gold Obverse Frederick I (1872-1895) Frederick II (1911-1914) Reverse Reichsadler , state title, value, year The 20 mark coin was first issued by the Grand Duchy of Baden in 1872 , during