Inside the hall there are visible "three Sejm states": the king, the Senate and the Chamber of Deputies. Sigismund August sitting on the throne is in the centre of the composition. Senators occupy seats in two rows, in the center of the chamber. Crown and Lithuanian dignitaries are facing the king (the wrong number of ministers is noteworthy - according to the provisions of the Lublin Union there should be 10 of them). Deputies along with the Marshal are on each sides of the throne. Their number and rich, western European outfits testify to the blurring of cultural and social distance from senators. The presentation of the sittings of the Sejm comes from the work of Jan Herburt (ca. 1524-1577), a historian, lawyer, the Castellan of Sanok and the Starost of Przemyśl and Sanok - "Statuta y Przywileie koronne z Łacińskiego ięzyka na Polskie przedłożone....".