This presentation was made by Csaba Kohalmi on 01/14/2023 https://hungarianphilately.org/wp-content/uploads/1685/34/SHP-Expert-Presentation-1896-Millenium-Cards-by-Csaba-Kohalmi-January-14-2023.mp4 You can download a pdf copy of the presentation here: 1896 ILLUSTRATED POSTAL CARDS by Csaba Kohalmi