Franz Karl Palko ( 1724 - 1766 ) was an Austrian painter. Franz Karl Palko s works have been put up for auction numerous times, with realized prices varying from 424.93 USD for Manligt helgon in 2005 to 5157.83 USD for Wamba, the king of the Visigoths, visiting St. Giles in his hermitage in 2009 , based on the size and medium of the artwork.