1966
National Gallery of Art, 1912
National Gallery of Art, 1755
National Gallery of Art, 1789
National Gallery of Art, 1511
National Gallery of Art, 1956
National Gallery of Art, 1930
National Gallery of Art, 1600
National Gallery of Art, 1599
National Gallery of Art, 1787
National Gallery of Art, 1953
National Gallery of Art, 1986
National Gallery of Art, 1468
![Federigo da Montefeltro, 1422-1482, Count of Urbino 1444, and Duke 1474 [obverse]](https://api.nga.gov/iiif/8f5d8b5e-83a1-49bc-93af-6899860656a8/full/843,/0/default.jpg)