TitleOriginal Correspondenz-Karte AcknowledgementCorrespondez-Karte, courtesy Wikipedia Commons.DescriptionThis Correspondenz-Karte was the world's first official postcard, proposed by economist Dr. Emanuel Herrmann as an affordable, quick, and efficient means of communication, and issued by Austria-Hungary on 1st October 1869. Date created1 October 1869Physical characteristics8.5cm x 12cm