Janez Augustin Puhar 1994, 22 April (date of issue) Slovenian stamp to honor Janez Augustin Puhar (1814 - 1864)
Postage stamp Private collection of Krzysztof Slowinski Stamp issued to honor inventor. Part of 2-stamp set. The one no. 80 (Scott 194) shows Janez Augustin Puhar (1814 - 1864), Slovenian priest, poet, painter, photographer and inventor of photography on glass (1842), and a camera's ground-glass.