Liberia – History of Railroads – Adler – $5 – 2011 – Colored Proof Silver Crown – The Adler (German for “Eagle”) was the first locomotive that was successfully used commercially for the rail transport of passengers and goods in Germany. The railway vehicle was designed and built in 1835 by the British railway pioneers George and Robert Stephenson in the English town of Newcastle. It was delivered to the Bavarian Ludwig Railway for service between Nuremberg and Fürth. It ran officially for the first time there on 7 December 1835. This proof legal-tender silver coin was minted under authority of the Government of Liberia from 20 grams of .999 fine silver and has a diameter of 38.6 millimeters. It comes with a Certificate of Authenticity.