Portrait of a man sitting in an armchair. Oval face, bald head. Leaning on the armrest with his left arm. Dressed in a dark jacket, light shirt and tie. Uniform greenish-brown background (brown obtained from the color of the canvas). Date: circa 1930. Dimensions: height: 47.7 cm (18.7 in); width: 27 cm (10.6 in). Medium: oil on canvas. Collection: National Museum in Kraków. Olga Boznańska - Portrait of Jan Rubczak - MNK II-b-147 (52537)