Van Egmont Justus, Portrait of Ludwika Mary Gonzaga, heliogravure from the portfolio Portraits of Poland vol. I notebook IV, dimensions of photogravure 22 x 28.5 cm, on paper 28 x 37.5 cm. Slight soiling. Composition clean.
Queen Louise Mary Gonzaga, wife of Ladislaus IV and John Casimir, plate II, Polish Portraits XVI-XIX centuries, H. Altenberg publishing house, Lvov 1911-13, four notebooks edited by Jerzy Mycielski, printed in R. Paulussen's workshop in Vienna.