Ludwig Danckert, page 413; and Keramik- Marken Lexikon,1885-1935, by Dieter Zuhlsdorff, page 293). Lucio in Extremadura, an independent region in Western Spain, shared pictures of the dish he inherited from his grandmother. . Directory of European Porcelain, Ludwig Danckert and Translated by Rita Kipling, 1995,.A.G. American China Painter most likely. . Arthur and Carla would like to add more pieces to their set if anyone out there has a source. Found on a hand painted ewer in Sioux City, Iowa. .