Ottokar II of Bohemia. The Union of Slavic Dynasties (The cycle The Slav Epic) Sketch. Private Collection. Artist Mucha, Alfons Marie (1860-1939). (Photo by Fine Art Images/Heritage Images via Getty Images)
Ottokar II of Bohemia. The Union of Slavic Dynasties (The cycle The Slav Epic) Sketch. Private Collection. Artist Mucha, Alfons Marie (1860-1939). (Photo by Fine Art Images/Heritage Images via Getty Images)