1939
National Gallery of Art, 1838
United States Government, 1939
United States Government, 1938
United States Government, 1935
National Gallery of Art, 1445
National Gallery of Art, 1937
National Gallery of Art, 1884
National Gallery of Art, 1935
National Gallery of Art, 1887
National Gallery of Art, 1894
National Gallery of Art, 1951
![Domenico Novello Malatesta, 1418-1465, Lord of Cesena and Cervia 1429 [obverse]](https://api.nga.gov/iiif/58d99568-3854-4859-91c1-ff55027278ed/full/843,/0/default.jpg)
![Nilpferdkopf mit geöffnetem Maul (Hippo Mouth Open) [p. 27]](https://api.nga.gov/iiif/40890b8f-34f2-4042-a758-055cee939ead/full/843,/0/default.jpg)
