Portrait of Michał Wiśniowiecki, artist unknown, heliogravure from portfolio Portraits of Poland vol. I notebook IV, dimensions of photogravure 22 x 28.5 cm, on paper 28 x 37.5 cm. Foxing. Dirt. Small traces of flooding of the margins. Bends in the corners.
King Michał Wiśniowiecki, plate III, Polish Portraits of the XVI-XIX centuries, H. Altenberg publishing house, Lvov 1911-13, four volumes edited by Jerzy Mycielski, printed in the workshop of R. Paulussen in Vienna.