Portrait of Jan Kazimierz, artist unknown, heliogravure from portfolio Polish Portraits vol. I notebook IV, dimensions of photogravure 22 x 28.5 cm, on paper 28 x 37.5 cm. Traces of flooding. Slight soiling.
Jan Kazimierz, King of Poland, vol. I, Polish Portraits of the 16th-19th Centuries, published by H. Altenberg, Lvov 1911-13, four notebooks edited by Jerzy Mycielski, printed in the workshop of R. Paulussen in Vienna.