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catalog Keller

Dr. Arnold Keller is a German philologist, notaphilist, and numismatist. He is the pioneer of paper money collecting and paper money cataloging in Germany.  

Dr. Arnold Keller started collecting banknotes at the age of 14. He collected emergency money issues that circulated during the First World War and published his first notgeld catalog while he was still a student. He wrote his dissertation on the coin treaty between the Electors of the Rhineland and Hesse in 1572.  

Dr. Keller compiled the coin collection catalog of the Augustinian Museum in Freiburg from 1919 to 1921. A year later, he opened his first shop for coins, medals, and banknotes in Berlin. He also published Das Notgeld, a popular numismatic magazine, and other catalogs and guides for fellow numismatists. However, when interest in numismatics declined due to the global economic crisis, Keller set up a fur farm.  

Dr. Keller returned to numismatics after the war. He was able to save his collection of the Reichsbank notes. He also continued his publication of banknote catalogs and research. He sold his collection of 195,000 banknotes to the Deutsche Bundesbank. His collection can be seen in the Deutsche Bundesbank money museum in Frankfurt am Main. He died in 1972.  

Dr. Keller’s publications are used as fundamental works for German notaphilia. Some of his notable works include the Deutsches Notgeld/ Band 7-8, Das Deutsche Notgeld: Grossgeldscheine 1918-1921 Katalog, and Das Deutsche Notgeld: Kleingeldscheine 1916-1922 Katalog.


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