20 marks of German Empire. Introduced for the first time following the country’s unification in 1871, these coins were at the heart of Germany’s industrial revolution from 1870 to 1914, playing a key role in facilitating trade. Besides being a symbol of the country’s economic prowess, the 20 mark gold coin is the epitome of Germany’s manufacturing excellence, having its .900 fine gold alloy embossed with the mighty Imperial Eagle, the coat of arms of the former German Empire, and the effigy of German Kaisers and Kings of Prussia, Wilhelm I, Friedrich III or Wilhelm II.Well-recognised and especially sought-after in Germany, the German 20 marks is a gold piece of historical significance – an excellent investment suited for all type of investors.