This January 1888 advertisement appeared in the Centralblatt für das Gesammte Forstwesen. It is interesting because trhe two calbers it mentions are the 11.2 Kropatschek-Heissig and the 14.9 Dombrowski-Heissig. In 1900 Antonitsch took part in and exhibited his guns in the Paris Exhibition. Following is the Chapter of the Exhibition book which covered the Classes 49-53. The following images are courtesy- © Joh. Springer’s Erban Handels GmbH, Wien