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Corona Aurea vulgo Ferrea dicta. Nicolaus Seelnder Corona Aurea vulgo Ferra dicta ca The Iron Cronw symbol of the Kingdom of Italy Source Collection of copperplates of the Gottfried Wilhelm Leibniz Bibliothek Hannover mpiwgberlin mpg de cgi dir Leibnizcup step thumb Cup No Image adjusted black and white for better use in encyclopedic